Any speculative fiction contrivance
for inserting sex where it would otherwise be implausible
. When used properly, this trope can be used to explore sex-as-metaphor. When used poorly, it's just an excuse to dress up pornography as plot
. Most examples probably fall somewhere in the middle.
Incidentally, semen has traditionally been associated with vitality, Life Energy
, holiness, etc in various cultures, and the sex act itself with fertility (agricultural, that is) rites and seasonal change, so there's a bit of mythological justification for this trope. Though plenty of phlebotinum works the opposite way
Overlaps in places with Intimate Healing
and The Power of Love
. If the Deus Sex Machina
had not been foreshadowed before in any way, it's also a case of Coitus Ensues
. See also Mate or Die
, Aliens Made Them Do It
, and Level-Up at Intimacy 5
If you're looking for the trope about actual
deities having romance or sex, that's Divine Date
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Anime and Manga
- Generally speaking, this is actually a huge problem in the Japanese "nerdcore" industry, especially with semi-professional video games and animated projects. Full-blown porn is still considered a shameful thing to produce; however, including blatant sexuality in a work even when it doesn't make a lot of sense or is a bit disjointed from the narrative guarantees sales from a certain section of the population, and a lot of companies have built their initial fortunes this way, despite the damage to their reputations and the fact that the sexual content is often shoe-horned into stories that are more than narratively sound enough to stand on their own without this kind of "propping up". Nasuverse and Key games (such as Kanon and AIR) are the most notorious examples of this practice, although it's worth pointing out that those involved with said franchises are now bleaching furiously since the initial appeal of sexuality paid off.
- Considering the fact that TYPE-MOON's popularity exploded after Fate/stay night, but that they still continue to add nudity, shows that it wasn't simply for sales appeal.
- Key games do not even bother trying to pretend that the sex is in any way important to the plot. Pretty much 'we know you thought she was cute, here's a picture of her naked, back to the sad story.' Which is why they made an under 18 version of AIR (for those who just want the story) and CLANNAD, which doesn't have any sex involved. (Unless you count Tomoyo After, that is.)
- Kano in AIR is told by Hijiri that she will gain magical powers once she "becomes an adult". In the original H-Game, you can guess which way she takes this. (Pun very much intended.)
- In the movie Ninja Scroll, one of the ninjas was able to control women. Initiating this mind control involved the victim tied spread-eagle and naked from the waist down while the ninja licks his fingers to lubricate them. Further details not needed.
- The woman in question was incredibly poisonous; having sex with her led an otherwise unbeatable rock-man to fall to pieces.
- Also, contact with said woman while you're poisoned will actually negate and cure the poison. You can see what route she decides to take with this when she discovers this.
- She was so poisonous that actual sex wasn't needed. The rock-man fell apart even though he failed to go all the way before being interrupted by Jubei. And a simple kiss was all that was needed to negate Jubei's poison.
- A prime example of this is Daiakuji, where the protagonist comments upon his release from prison about how he has become weak with absence of sex. Throughout the series the protagonist becomes more powerful as he subjugates women.
- Cruelly subverted in Basilisk, where one of the Koga ninjas is Kagerou, a beautiful and sexy Broken Bird who will never be able to have sex with a man she truly loves since her breath becomes poisonous when she's aroused.
- In Fate/stay night, while most Masters recharge their Servant's mana by simply transferring it to them directly, Shirou does not know how to do this, so the only other option is to have sex with his Servant Saber.
"In order to stop a truly powerful enemy, you had to have sex with two women at once, and that it actually made one of them powerful enough to win against a foe you had no hope of defeating before?"
- In a similar vein, in the Tsukihime Visual Novel the Synchronizers' ability work through fluid exchange, as well as suppressing Roa in Ciel's ass in an earlier route. Meanwhile, the pseudo-sequel Kagetsu Tohya is a subversion, as there's a perfectly viable alternate solution you can take, Len just doesn't like it as much. Hey, he is Shiki Tohno.
- The giant mechas in the anime Lime-iro Senkitan are powered by someone having sex with their pilots.
- In Amaenaide yo!!, Ikkou is a male novice at a Buddhist temple populated by a harem of Buddhist nuns. His powerful spiritual ability for combating ghosts and such is unleashed via lust, so the plot resolution is invariably one of the girls disrobing, or being disrobed, in order to release his power.
- Crimson Spell offers up a twofer: the sorcerer Havi keeps Prince Valdrigue's Superpowered Evil Side under control with sex, which apparently also has the effect of helping fuel Havi's own magical powers. Go figure.
- The Gantz anime toys with this: while Kurono is still unused to using the Gantz suit, he theorizes that it only functions when he is turned on. This theory is only referenced in one scene and the suit seems to function consistently after that, so either Kurono was wrong and the suit also responds to other kinds of "excitement," or he's turned on a LOT. (Knowing Kurono, the latter is at least as likely as the former.)
- Inverted in the oh-so-wonderfully named manga My Balls. The series begins with the Queen of Terror being sealed into Satou Kohta's right testicle, meaning the world will end should he ever, well, um, you know. Cue the sexy legions of Hell to use every technique in their arsenal to get in his pants, hilarity ensues.
"My ejaculatory control muscle is at it's limits!"
- In Genesis of Aquarion and its sequel Aquarion Evol combining mechas causes all of the pilots to experience something Better Than Sex. Each time they combine, the audience gets a load of screaming, rainbow-coloured naked bodies. The entire series has multiple metaphors to sex and maturity, but those are justified due to many of the characters being teenagers.
- Played ridiculously straight in Yuria 100 Shiki. Yuria is a sexbot trying her best to not be one. However, despite her best efforts, she inevitably winds up rationalizing some reason to have sex with Shunsuke. Hilarity Ensues.
- Urd from Ah! My Goddess tries to invoke this trope in her introductory chapter of the manga. She tells Keiichi that he has to have sex with her in order to repair/recharge the system force that keeps him and Belldandy together, and that if he doesn't have sex with her, Belldandy will have to return to heaven. It turns out to be a trick though and Belldandy comes in and reveals that it was just a trick before anything happens.
- Kinji's Hysteria Mode from Hidan no Aria only gets activated when he becomes sexually aroused.
- This happens in the final episode of Panty & Stocking with Garterbelt when Brief's stiff key is the key to unlock Hell's Gate, and the only way Panty can save the day is getting it to go down.
- Double subverted in the Eleven Eyes anime. In episode 11, Misuzu has sex with Kakeru to power him up (or something along those lines). Subverted in that they were still unable to defeat Liselotte and prevent the end of the world. Double subverted because none of that happened and was all part of Kakeru's vision.
- Phil Foglio's XXXenophile sometimes uses this, but usually with a comedic twist. For example, the one where the nymph mentions casually in passing that people's orgasms keep the earth from exploding, or the one where a time traveller from the future has to find out whether it's worth bringing back women through cloning, but it turns out it's just a
normal exceptional couple roleplaying. Foglio is careful to make sure the sex always remains consensual and un-forced, no matter how weird the situation gets. For example, there is a ghost who can be sent on to heaven by having sex with the specific guy she was fantasizing about when she died, or he can just tell her to go. The sex is not obligatory.
- The old Penthouse ComicX series loved this trope:
- In Alan Moore's Promethea, Jack Faust agrees to teach Sophie Bangs about magic in return for sex with her alter-ego, Promethea. There is a justified reason for this, as Faust uses the opportunity to explain the relationship and symbolism of "male" and "female" magic. But also 'cause Faust is horny, and it allows for an issue-long sex scene. And it's traditional for a wizard to be an utter asshole.
- Hellblazer - In the Fear Machine arc, Constantine and his two ex-girlfriends (a hippie and an earth goddess priestess) save the day with a threesome (and "female" magic). The two ladies had spent the previous few months on an island (a character calls it "one of those woman magic places") where the magic was powered by love and orgies.
- The John Byrne comic Next Men has sex with the Next Men as a catalyst which bestows super-power mutations on normal humans.
- In Top 10: Beyond the Farthest Precinct, the Hell Ditch Pilgrim is revealed to have gotten his powers in the previous Top 10 series by catching S.T.O.R.M.S., a mutating disease, from a prostitute.
- Valiant Comics' Shadowman had to have sex with young-looking Voudun priestess Mama Nettie on a regular basis to keep her young and powerful, so she could help him control his mystical Dark Side.
- Pandora Breedlswight from Ironwood is possessed by a demon that can be summoned at will (taking her place), but can't be dismissed by anything else than an orgasm. This is part of a family curse, running on male members, until Pandora happens to be the last of her line. Her male ancestors seemed not to care of the curse, anyway.
- In the Buffy the Vampire Slayer comics, Willow uses the power of orgasms to power the spell used to contact her patron goddess, Saga Vasuki.
- In Hack Slash the female slasher Acid Angel has corrosive vaginal juices as her main weapon. Ew.
- In Jean Van Hamme's and Grzegorz Rosinski's The Great Power of Chninkel (Le Grand Pouvoir du Chninkel), Volga the Soothsayer must have an orgasm in order to deliver prophecies.
- Provides Fan Disservice in Incorruptible #16, where the city's water supply is magically transformed into some noxious substance by the unattractive and obese sex magicians Nebuchadnezzar and Loretta Grass, whose spells only last as long as they're "chanting".
- In the extensive Star Trek Alternate Universe Fic Firing Solution, Pon Farr and the Vulcan mating cycle and cultural history are examined in far more depth, and at least half the mechanics of The Federation and the power shifts in the galaxy prove to be directly attributable to Vulcan Nookie.
- In a True Blood/X-Men crossover Survival of the Fallen, it turns out that Rogue of all people is a succubus. In this case Succubi aren't outright demonic, and appear to go either way morally speaking. They seem more like talented sex oriented energy vampires, without actually needing to take energy. Considering the character this happens to, this is most ironic, and a major plot point.
- The Neon Genesis Evangelion doujin RE-TAKE, takes this to... a much lower level than would be expected, considering the author's previous work! This is done properly in chapter one. All 5 chapters thereafter just play dress-up-the-sex-and-hope-the-audience-doesn't-notice.
- In Chapter 34 of Light and Dark The Adventures of Dark Yagami, the Creepy Chick turns out to be able to time travel via "lots of sexing"
- In the Fate/stay night/Sekirei crossover In Flight, by Gabriel Blessing Shirou uses this to make Akitsu his Sekirei.
- In the Legend of Zelda fanfic My Inner Life, the main couple decide to got o a monastery that performs "pagan bonding rituals" for married couples. The four-part ritual is broken down into the physical bonding, the mental bonding, the spiritual bonding and the sexual bonding. Guess what Link and Jenna need to do for the last one.
- It's a fairly common trope in Harry Potter fanfic that werewolves' condition makes them perpetually horny. It probably originated with the Remus/Sirius ship, but has since spread.
- Older Than Feudalism : In The Odyssey Odysseus is forced to have sex with Circe to save his crew from being swine. Definitely forced.
- In Stephen King's IT (but not in The Film of the Book for obvious reasons), Beverly Marsh has sex with the other members of the Losers Club (all six of them, one after the other, in a sewer) in order to re-forge the connection between them after defeating IT as pre-teens. Apparently it's supposed to be a metaphor for moving from childhood to adulthood.
- Another level of irony (and possibly a Family-Unfriendly Aesop) also exists here, when you contrast this with another scene in the book. Beverly's father is portrayed as an abusive, overprotective, borderline psychopath. When he learns that Beverly has been playing with boys, he insists — violently — on physically checking to see if she's still a virgin. Fortunately, she escapes him. At this point, she still is, and the scene plays out like an attempted rape.
- The real irony of the matter is that Beverly is inspired to have sex with the boys because of what her father did. He put the idea in her head.
- Stephen King does this a lot. In his The Dark Tower series, in order to retrieve Jake from the other world, Roland has Odetta/Detta distract the oracle. In the series, oracles are demons that feed on sexual energy (i.e., incubi/succubi). Go on, guess the best way to distract one.
- The Wild Cards series has several examples:
- Fortunato has "magickal" powers that must be fueled by tantric sex. Fortunately for him, he's a pimp with easy access to geisha-style prostitutes.
- The character of "Blowjob" must be sexually excited in order to breathe life into inanimate objects.
- Roulette can kill by unleashing poisonous vaginal secretions. (Does somebody have issues?)
- "Prime" was able to give the "Jumpers" their power to switch minds with other people by having anal sex with them.
- Water Lily gets the power to cure Jokers by intercourse after being infected by the Sleeper's new strain of Wild Card virus.
- Genetrix lay eggs which hatch into short-lived children with ace powers fitting her needs when engaging in sex.
- The eponymous protagonist of the Anita Blake series has had her supernatural powers become more closely tied to sex with each passing book, resulting in a situation where the solution to any problem is for her to have sex with somebody or something. That makes this also an example of When All You Have Is a Hammer... or possibly, in this case, a screwdriver.
- And in the same author's Merry Gentry series, it's eventually explicitly stated that the power of Faerie comes from the natural order and thus can only be awakened through fertility rites. This does allow the choice of sex or death (killing in battle or sacrificing loved ones), and Meredith isn't always viewed favorably for favoring the "soft" option (except by the beneficiaries of it). Since the protagonist here has been chosen to revitalize the entire magical world... this series basically starts sexually at the point Anita Blake was at that time, with a main character who never had any of Anita's former inhibitions.
- In Larry Niven's Ringworld series, depending on the particular human subspecies involved, when two inhabitants from different subspecies meet, the standard greeting may be ritualized sex ("Rishathra" is the word for this among the species our protagonist meets in The Ringworld Engineers), though for some cultures it is taboo. (People still talk about Niven showing up at a sci-fi convention in the late 1970s wearing a button that said "I have sex outside my species.")
- In the later Dune novels, an offshoot of the Bene Gesserit arise who use sex as a form of hypnosis — it's just that good, apparently. Numerous galaxy-spanning, wheels within wheels plots are derailed when it is discovered that there is a man with the same power. A-whoops! Of course, it is Duncan Idaho. Given his place in the series as the designated Cosmic Plaything, this is simply karmic balance for him.
- And this man trains other men to use that power. Leading to a guerilla war fought mostly using SEX. Really awesome sex. Where do I sign up?
- In the Illuminatus! trilogy, the goddess Eris has sex with multiple men to return to God mode. The insanely high amounts of sex in that book build up a pretty good reader tolerance to implausible sex acts, but that one takes the cake.
- In the The Book of All Hours duology by Hal Duncan, especially in the second book, "Ink", tantric sex apparently makes it easier to travel between the various alternate realities. Several kinds of technology also seem to be fuelled by sex, using so-called "orgone energy" as a power source.
- Jennifer Stevenson's Trash Sex Magic is entirely about this trope, as its title might well imply.
- In Michael Swanwick's The Iron Dragons Daughter, protagonist Jane learns to use sex magic to boost her own spellcasting ability.
- Inverted in S.M. Stirling's alternate-history novel The Peshawar Lancers: The heroine has been (incestuously) bred for clairvoyance; this power (1) only works for virgins and (2) ultimately drives the holder to madness and death. You can guess what the hero does to save her.
- In American Gods, a perversion of the Queen of Sheba literally devours a man through the act of coitus, apparently to substitute for the worship she wasn't getting to sustain herself.
- Also, there is importance in Shadow's in-dream sex with Bast.
- Not to mention the Ifrit who exchanges bodies through sex
- In Dan Simmon's Olympos, one of the main characters finds a slumbering princess who's been kept in stasis for centuries. The only way to wake her? Climb in the stasis chamber and give her some lovin'.
- Ramona Random, a Black Chamber agent in Charles Stross's The Jennifer Morgue has a succubus bound to her. If she doesn't have sex, it eats her mind. If she does have sex, it kills the partner instead. She's employed as an assassin, naturally.
- In "Sun, Moon, and Talia", a fairy tale of the "Sleeping Beauty" type (and probably a major influence on the more famous Charles Perrault version), the princess stays asleep until she has twins and one of them suckles the poisoned needle from her finger.
- One version says that what wakes her up is her first baby's cry.
- This happens with Leah, Henry, and Tony in Smoke and Shadows Leah is tied via Demongate to a sex demon named Ryne Cyratane, but the demon doesn't comprehend homosexuality. Tony the gay wizard can tell that Ryne Cyratane wants to communicate with him, but literally can't see him without the sexual connection. Ergo, Tony's Bi the Way ex Henry is enlisted for a save-the-world threesome that will enable Tony to talk to the demon.
- Kushiel's Dart and its sequels contain any number of Deus ex Machina scenes where the main character resolves whatever problems exist in the kingdom through having sex with someone. This is because she is magically gifted with really enjoying every kind of kinky sex...
- Perfume: The Story of a Murderer. In the end, the man finally completes the "perfect" perfume he had been attempting to create the entire movie, and drops the vial on the ground while being led to his execution for his multiple murders and distilling of young women's essences. The smell is so beautiful, everyone in attendance participates in a spontaneous orgy, and the man escapes in the chaos. It's funny what you can accept when the movie logic is introduced early and kept consistent, really...
- Same for the film of the book.
- The Secrets of Jin Shei - although Lihui is a powerful mage without resorting to this, it's implied that he can only keep his strength and immortality by stealing other people's energy. Unfortunately for Nhia, to create the psychic link he needs for this ritual, he has to create a physical link as well. Guess how.
- In Battle Circle by Piers Anthony, the heroine is trapped in a Minotaur's maze. The hero goes in to rescue her. He finds her but they are unable to escape and the Minotaur is closing in on them. The hero remembers that the Minotaur is only interested in virgins and he can save the heroine's life by another means.
- Dragonlance: Heroes: Vol. 1. Huma, Knight of the Sword. One of the final gambits of Takhisis, Queen of Darkness is that she could show him... things. He refuses.
- In A Song of Ice and Fire Melisandre the Red Priestess/sorceress is able to spawn shadow demons that can be used as assassins. She needs sex in order to create them, but it apparently weakens the man she uses; she herself states that Stannis' declining health is due to her using him in that way, and so tries to convince Davos Seaworth to help. It is possible that her somewhat Foe Yay-ish interactions with Jon Snow might be a prelude to trying to use him in this way.
- In Alex Prentiss' novel Night Tides, the main character communes with lake spirits, but in return, she must help everyone who needs it.
- In Peter S. Beagle's The Folk of the Air, there is a fairly random sex scene between an ancient evil spirit in a boy's body and a young (very young) woman for the purpose of "tantric sorcery."
- In the first book of the Drizzt series, there is an orgy at the academy, seemingly something they do traditionally every year. The priestess with the best grades has intercourse with a summoned demon, while around her all the other female students pick a male student and get it on.
Live Action TV
- In Smallville, Clark's discovery of his Heat Vision was linked to him being aroused. I wonder what that reminds you of... Hence the Fan Nickname "Eyejaculation".
- In The Others, two of the characters have fallen in love, but the interaction of their respective psi-powers causes powerful energy discharges whenever they touch. In the finale, as part of a series of strange happenings that works to break the group apart, they find that they can now safely touch one another. This tragically turns out to be an illusion created by an otherworldly evil force, which lifts while they're having sex. Cue the entire building exploding.
- The eponymous planet-killing spaceship of Lexx would only respond to whoever held its symbiotic energy key in their brain. The host would involuntarily release the key into whoever else was nearby if brought to the very edge of death... or the very extreme of sexual ecstasy. Interestingly, this was not equivalent to orgasm; actual sex usually did nothing to trigger the key, whereas just the anticipation of sex with a character's One True Love thrice did.
- Star Trek has Pon Farr - every seven or eight years Vulcans get a hormone craze that is generally only to be satiated by sex. Either they do or die, literally. Fortunately, the holodeck version counts. Or they find an alternative way to give said Vulcan similar emotions to sex, e.g. extreme anger/rage/sadness, like believing that you killed your best friend.
- An interesting sign of increasing Flanderization as the franchise has gone on, as well. Prior to Star Trek: Enterprise, only Vulcan males were afflicted by Pon Farr. Dialog also confirmed it was strictly a male condition. Somehow this mutated until it now affects all Vulcans. The presence of Jolene Blalock may have had something to do with that....
- Mage: The Ascension gave us the Cult of Ecstasy. Sure, they didn't just revolve around using sex as magical foci (they also used drugs, music, meditation, etc.), but that was easily the aspect with the most humor potential.
- Mage: The Awakening carries it on with a Legacy called the Whipping Boys. They don't use sex, exactly, but BDSM, using deeply intensive "sessions" to find revelation in a place beyond pain and pleasure.
- Both played straight and inverted in Unknown Armies with the tastefully named magick school of Pornomancy. Followers get charged up from mechanically reenacting scenes from porn films starring The Naked Goddess, a porn star who got promoted to the Invisible Clergy. The inversion comes from the fact that if they ever have sex with anyone for any other reason than charging up, all their stored power goes away.
- In Warhammer and Warhammer 40,000, the Chaos God Slaanesh and its followers have this reputation, however any excessive and obsessive mindset can cause empowerment in his/her name, not just sex. The Emperor's Children Legion were seduced by Slaanesh due to their single-minded obsession with purity and the excesses they would commit to achieve and maintain it, Noise Marines are focused on extremes of psychically-charged music, and The Masque (most powerful of all Daemonettes) gets its power from basically being the best dancer in the universe, able to entrance even the Chaos Gods.
- One of the many strange and juvenile things that comes with the territory when people publish sex-based supplements for Dungeons & Dragons (officially, the legendarily bad Book of Erotic Fantasy, as well as Encyclopedia Arcana: Nymphology and Quintessential Temptress, with the latter two basically a collection of juvenile snickering). Tantric magic is just the tip of it.
- And Sisters of Rapture, which kicks it up a notch with full-frontal nudity on nearly every page — some of it showing tavern scenes and the like to drive the point home that these characters never wear clothing at all.
- In Bliss Stage, the power of a Pilot's Dream World Humongous Mecha is based on the intimacy level of their relationships. To get the maximum of Intimacy 5 with anyone you're not related to, you have to have sex with them. It's quite disturbing considering the Pilots are teenagers, and the Anchors that produce their mecha and the various supporting characters are either teenagers, or full-out children.
- Twilight Sparkle's Secret Shipfic Folder is basically this as a game. There's even a card called Divine Intervention! Though to be fair, it's less "sex" and more "romance"...
- In Richard Strauss's early opera Feuersnot, Kunrad punishes Diemut's rejection by magically banishing fire from the town until she gives herself to him.
- Completely inverted in Planescape: Torment, where the token demoness is a reformed succubus, runs an Intellectual Brothel and refuses to feast on horny men for her power. She is the healer of the party, but not quite the Intimate Healer; her kisses are an attack.
- In Grand Theft Auto games, players gain health from prostitutes. This method can be used to greater-than-max health.
- The fourth one added strippers, who unfortunately stay in bra and panties. They heal the same amount prostitutes do, but they cost more.
- The fangame Quest for Glory 4.5 also allows the hero to be "healed" in a brothel. Needless to say the company owning the original game wasn't too happy.
- A possible choice at the end of Dragon Age: Origins is for Morrigan to conceive a child with either Alistair, Loghain or the male player character in order to make a receptacle for the Archdemon's soul; otherwise a Heroic Sacrifice is necessary. Unlike other examples of this trope, this choice is far more serious than it looks, and when pressed Morrigan refuses to explain exactly what she'll do with the kid once it's born.
- Brütal Legend: Apparently, years of orgy and violence can cause a "temporal perversion" aka time travel. It's the Tainted Coils we are talking about, however, it's almost expected.
- Apparently sex is required to gain the right to become an Eternal in Eien no Aselia. Fridge Logic sets in when you realize that Kyouko and Tokimi apparently did not have to. Maybe Tokimi made the whole thing up?
- In Embric of Wulfhammer's Castle , Huraine (goddess of love, lush scenery, strawberries and chocolate) requires this of her worshipers in their rituals, which is good news for Dorcas. One of the Multiple Endings even has the Duchess becoming the centrepiece of one of these rituals.
- Most of the game is this trope, really, although it's more nudity and gratuitous lesbian fanservice than strictly intercourse. Carmina's route is probably the one that fits the implausible/inappropriate part; not many people would confront their rapist just to immediately forgive them for it, and then pursue a romantic relationship.
- Though it cuts short with mere implications in Duel Savior Destiny, sex is apparently a necessity for Rico/Oltara to contract with Taiga. And wow, talk about bad timing: They're technically in the middle of a fight.
- Super Stupor has one comic where Magic Eye reveals that his superpower is the ability to compel anyone to tell the truth... as long as his penis is inside them. (He doesn't like to do it to someone who hasn't given consent, but "you'd be unpleasantly surprised who does.") When asked how he discovered this power, he remains silent and mortified while a third character chimes in that this is "the best divorce story ever!"
- Ménage ŕ 3 teeters on the brink of this, with a lot of implausibly rapid and successful seductions; Zii can be a particular repeat offender, especially in early strips. However, these are essentially seductions on conventional lines, admittedly including people jumping each other (consensually) for rapid stress relief, so events in the comic perhaps never quite fit the trope.
- Sonichu, of all comics, has this in issue #8 with Silvana, whose "nectar" is a poisonous and paralytic sleeping agent she secretes during sex. After transforming herself to look like Bubbles, she makes out with Blake, knocks him out, and advances what little plot there is in the comic in the first place.
- Now, the vast majority of Ilivais Xs Humongous Mecha are fairly normal and realistic. But the eponymous one only registers with one who possesses "Love" Drive Core (or has a similar demeanor), but the way it works makes it more similar to lust. This kicks off numerous broad themes involving the border between love and lust and whatnot, but the most clear example of an out-and-out Deus Sex Machina is the Love Drive Core attack, which can basically only be used via orgasm.
- Go to asstr.org's author's page and look up Stephen Gray (NSFW or kids). Marvel at both the sex as mind control and demons/potions/Aliens Made Them Do It. Notice how vanilla most of the sex is. Wonder if this is a case of the Machina being extraneous to the sex...
- This shows up a lot in the Sci-Fi and Fantasy section of Literotica, though details vary.
- The erotica writer Salamando, aka Salamando Flames enjoys mixing elements of fantasy adventure and superhero fiction into his erotica. Often, sex will in some way be used as a mechanism for mind control, domination, acquiring magical energy, exacting revenge, fueling super powers, or even healing. In the Sex Mage World stories, the entire basis of magical powers (which only women have access to) requires sex and arousal to both activate and continue functioning.