http://static.tvtropes.org/pmwiki/pub/images/Ayano_Yamane-Crimson_Spell.jpg

Prince Vald of the kingdom of Alswieth must take up a legendary sword in order to defend his people, but the sword is cursed: having taken it up and used it, Vald now transforms into a demon every night if he is not magically restrained. He goes on a journey to find a magician who can break the curse, and meets Halvir Hroptr, a powerful but arrogant mage who agrees to break the curse if Vald escorts him on his travels. So far, so boilerplate HeroicFantasy, but on Vald's first night with Halvir, Halvir succumbs to curiosity and breaks the magical shackles restraining Vald's curse -- and decides that having sex with Vald in his demon form will both restrain the demon and feed his own magical power. The next morning, Vald wakes up refreshed, but with no memory of what happened the night before... except for some reason he can't stop staring at Halvir's mouth...

And so their journeys continue, with Vald and Halvir acquiring companions and developing a strange bond as they travel through various fantasylands and encounter demons, dragons, and quarrelsome magicians. Depending on where you're coming from, ''Crimson Spell'' is either a fantasy with lots of gay sex scenes or a BoysLove series with [[PornWithPlot an unusually well-developed plot and setting]]; it's a genre hybrid that works better than most because it gives equal time to both elements.

''Crimson Spell'' is licensed in English by Creator/MediaBlasters' Kitty Media subsidiary with 2 volumes released. Creator/{{Tokyopop}} Germany is releasing it in German.

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!!Tropes:

* AffectionateNickname / InSeriesNickname: Valdrig is called "Vald" and Halvir is called "Havi".
* AlphabeticalThemeNaming: The three named wizards from [[WizardingSchool Celeasdile]] are named Halvir, Halceles, and Halrein. It is later stated that all wizards in Celeasdile have the "Hal" prefix.
* AndroclesLion: Vald gains the help of a dragon he'd previously offended (see "OurDragonsAreDifferent" below) by pulling several spears from its side to free it from a poacher's trap, taking serious injuries himself in the process.
* AngstNuke: Demon!Vald goes on an incredibly destructive rampage after Havi apparently dies.
* AttractiveBentGender: So it turns out that Vald is an ''expert'' crossdresser...
* BoysLove
* BerserkButton:
** If you touch Vald in front of Halvir bad things are going to happen in your vicinity. Most likely along the lines of fire and magical strangulation. God help you if he thinks he's dead...
** This also works in reverse. Don't hurt Havi, or Vald will turn into a demon and gut you.
* BrainwashedAndCrazy: Havi ends up like this after interfering with a demon's attempt to kidnap Vald.
* BridalCarry: Havi has carried Vald like this on a few occasions.
* CastFullOfPrettyBoys: And not a significant female character to date.
* ChekhovsGun: At the beginning of volume 2, it's revealed that Havi stole a number of valuable {{Spell Book}}s from the WizardingSchool when he and Vald left, and has read them in the interim ("it wasn't as informative as I thought"). The books are soon stolen and subsequently destroyed, but near the end of the volume Havi uses a spell from them to resuscitate himself from the brink of death.
* ChronicHeroSyndrome: Vald, to the point that Halvir, Rimris, and ''a dragon'' have all gotten on his case about it.
* CollectorOfTheStrange: Havi. He and Vald first begin traveling together because helping him expand his collection is the price Havi requests of Vald in return for figuring out how to break Vald's curse.
* CooldownHug: Rather more than a hug, in this case. Also played completely straight at one point when Vald's demon side starts emerging while he's defending a village from monsters, and Havi embraces him to calm him down.
* CrazyJealousGuy: Havi and Vald, mutually. Each refers to the other as theirs (i.e. "my Vald"/"my Havi") and don't want anyone to touch the other aside from themselves. Havi is the more overt case - see "BerserkButton" - but Vald proves just as bad, only better at keeping it under wraps. It shows most obviously during his demon transformations: during the PersonalitySwap side story, he threatens to destroy the world if Havi leaves him. Even normal Vald has his moments, as when he cracks a wall with the strength of his grip while watching Havi surrounded by women.
* {{Curse}}
* DestructoNookie: Havi and demon!Vald manage to ''bend the bars of Vald's cell'' when Havi is brainwashed.
* DeusSexMachina
* DontTouchItYouIdiot: is both the plot premise (nobody was meant to touch Vald's family sword), and a general failing of the cast, ''especially'' Havi, who can never leave well enough alone.
* [[DudeShesLikeInAComa Dude, He's, Like, in a Coma!]] -- Given that Vald never remembers it afterwards and is apparently not in conscious control of himself, Halvir's nightly frolics with Vald-in-demon-form probably qualify as this. Ruruka certainly expresses such an opinion, and also chastises Vald for seeming a little too interested in Havi when ''he's'' unconscious.
* EvenTheGuysWantHim: Havi, Ruruka, and [[spoiler: Rimris]] all have confirmed or near confirmed feelings of love towards Vald, Marse has a soft spot towards Vald because he reminds him of his prince who died, and Hellyne has been shown to get flustered around Vald whenever he compliments him or gets really close to him.
* EvilWeapon: Yug Verund. It's even red!
* ExplicitContent: The sex scenes just happen to be layered onto a really interesting premise... (honest!)
* FantasticLightSource: A fairy in a jar. (Vald sets the fairy free almost as soon as Havi's not looking.)
* GenerationXerox:
** Halvir's teacher Halceles served Vald's ancestor King Fleivangr, who was also cursed by Yug Verund; while there has not been much detail yet on what ''exactly'' their relationship was like, Halceles was clearly [[HoYay very fond of him]].
** In Chapter 37, Rimris reveals that he also served King Fleivangr, and implies that they had a sexual relationship. He uses this as an argument to try to persuade Vald to sleep with him, to Vald's great consternation.
* HeadPet: The flashback to Halvir's childhood in Celeasdile shows that, due to a botched summoning spell, for a while he had an odd little googly-eyed creature riding around on the top of his head. [[spoiler:It died protecting him from the effects of the dimension bug, and Havi didn't so much as attempt another summoning for ten years.]]
* HellishHorse: Havi's, named "Fang." It has clawed feet, MoreTeethThanTheOsmondFamily, and it's omnivorous.
* HellishPupils: Vald has these when in demon form.
* HeroicBSOD: Vald ''flips his shit'' after he thinks he's killed Havi.
* HeroicFantasy
* HiddenDepths: Mars, a vagabond and thief who claims to be a simple swordsman, takes on Gile, the sorcerer who brainwashed Havi and abducted Vald, off-panel while everyone else is dealing with demon!Vald's rampage. He wins handily, unscathed.
* HighClassGlass:
** Havi briefly dons a monocle in chapter 28 while working in an official capacity at a checkpoint into an imperial capital.
** The wizard Astador, posing as Rimris in the imperial capital, wears a monocle in place of the real Rimris's round-rimmed glasses.
* IKnowYoureInThereSomewhereFight: Vald versus BrainwashedAndCrazy Havi.
* ImportantHaircut: Vald cuts his hair short when he leaves his kingdom to search for a means of breaking his curse.
* InsufferableGenius: Halvir, to the point where the only person who can actually stand him is Vald. Everyone else merely tolerates him for Vald's sake.
* IntimateHealing: When Halvir is poisoned, Vald passes the antidote to him mouth-to-mouth.
* {{Jerkass}}: Halvir, whose affection for and loyalty to Vald is basically his only redeeming quality.
* LotusEaterMachine: In a side story. Havi being Havi, it takes him three months to get around to seriously investigating what's going on (even though he knows from the start that ''something's'' up). Good thing for that YearInsideHourOutside...
* LovableRogue: Mars.
* LoveRedeems: While the ultimate resolution is as yet unclear, there are indications that Vald's love for Halvir is having a redeeming effect on ''the demon god''.
* MagicKnight: Demon!Vald is capable of using magic, albeit far more likely to just tear things apart with brute force.
* MagneticHero: Vald keeps acquiring followers. [[LampshadeHanging Lampshaded]] by Rimris, who says it's because he inspires an urge to protect him.
* MarkedChange: The first sign that Vald is transforming into his demon form is the appearance of black markings on his skin.
* NamedWeapons: Yug Verund, the crimson sword.
* NiceJobBreakingItHero: Many, many times. It can combine with a DontTouchItYouIdiot sentiment, or just reflect the huge amount of property damage that seems to reoccur around [[strike: Havi]] [[strike: Vald]] the protagonists. It would also be very helpful if Havi ''didn't'' have a way of angering most entities in existence.
* OurDragonsAreDifferent: The first dragon they meet is starving to death and easily killed; the second is vast, and vastly powerful [[spoiler: and refuses to help them because he can smell the death of the previous dragon on Vald. Vald doesn't help matters by declaring that he ''ate'' the previous dragon so as not to waste the body...]]
* PermaStubble: Mars.
* PersonalitySwap: In the LotusEaterMachine side story, Vald and the demon switch personalities.
* PetTheDog: Havi's moments of kindness toward Vald help to soften his otherwise disagreeable character.
* PowerGivesYouWings: Vald sprouts little bat-wings when the demon's hold over him grows stronger, though they don't reappear in subsequent, less severe transformations. Later on, he temporarily manifests feathery white angel wings during a transformation brought on by his feelings for Havi; what this signifies remains to be seen.
* PowerMakesYourHairGrow: Another side effect of Vald's more advanced transformation (along with the bat-wings mentioned above) is that his hair grows out. Afterwards he has to re-do his ImportantHaircut because of it.
* PhysicalGod: Ruruka is ''really'' close to this. Everyone else just doesn't realise it until he unleashes his true form and tries to fight Vald ''without'' killing him. ...Still doesn't stop Halvir from trying to kill him when he gets too close to Vald.
* RapunzelHair: Halvir, and his teacher Halceles, both have hair long enough to touch the floor.
* ReallySevenHundredYearsOld: Halceles was around when Vald's sword was forged. That puts him at about 500+ years old, even excluding the decade or so he spent trapped by the dimension bug. He does ''not'' look it.
* RidiculouslyCuteCritter: Ruruka in his "rabbit" form.
* RoyalsWhoActuallyDoSomething: Vald.
* RunningGag: Characters lampshading the ShmuckBait presented by the cuffs that keep Vald's demon side under control.
* ScrewYourUltimatum: Vald doesn't even wait to hear what Gile wants out of him before refusing:
-->'''Gile:''' I asked you to come to me because--\\
'''Vald:''' ''I refuse.''\\
'''Gile:''' I haven't told you what I want yet.\\
'''Vald:''' You cannot possibly be up to any good. I have no intentions of helping you with your plans.
* SealedGoodInACan: Ruruka, trapped at the site of his previous master's death until freed by Vald. Also debatably Halceles, who was trapped along with Halvir's fellow students by the dimension insect until Havi came back to clean up his mess.
* SealedInsideAPersonShapedCan: Vald is carrying a ''demon god'' around inside him. Good thing it's gotten attached to Havi's hot lovin'.
* {{Seme}}: Havi.
* SpellMyNameWithAnS: There are surprisingly few examples despite the series gaining much of its following via fan scanlations prior to its licensed release. However, the official romanization of Ruruka's name, "Rulca," has not caught on with much of anyone (as demonstrated on this page).
* SuperpoweredEvilSide: Although interestingly enough, Vald's SuperpoweredEvilSide - caused by his curse making him a channel for a ''demon god'' - seems more and more like he's being [[LoveRedeems redeemed by Vald's love for Halvir]]
* SwordAndSorcerer: Type 1. Vald can deal a huge amount of damage in his own right but give Havi enough time to work the incantation and he'll call up a [[EldritchAbomination creature from an alternate dimension]] to do his bidding. That or KillItWithFire.
* {{Tsundere}}: Type A, Havi toward Vald. Type B, Vald toward Havi.
* TwinThreesomeFantasy: The LotusEaterMachine side story ends this way, with Havi plus Vald and demon!Vald in separate bodies.
* {{Uke}}: Vald.
* [[ViolentlyProtectiveGirlfriend Violently Protective Boyfriend]]: Havi will become engulfed with flames of anger when he sees someone has hurt Vald, and Ruruka, while not Vald's lover, becomes incredibly violent when something bad happens to Vald; interestingly, both refer to Vald as "my Vald."
* WhiteHairBlackHeart: Havi is powerful enough (and just about enough of a jackass) to qualify.
* WizardingSchool: Celeasdile.
* YearsTooEarly: Vald, under the influence of the demon, informs the dragon he's fighting that it is "a hundred years too early."


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