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Manga / Nyotai-ka

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Nyotai-ka is a comedy ecchi manga by Rouga Ruen, which was serialized from 2009 to 2012 for 60 chapters.

The story focuses on a junior Salaryman named Manaka Makoto, who, frustrated by his lack of success in his own love life, decides it would be amusing to troll an online dating site as a G.I.R.L. in order to spread the frustration. This winds up epically backfiring when a goddess decides to intervene and make him an actual woman.

This series provides examples of:

  • A-Cup Angst: Iwanami doesn't exactly have small breasts, but she is quite jealous that Makoto's female form is markedly better endowed than herself.
  • All Just a Dream: Makoto convinces herself that her first Near-Rape Experience was all just a dream after her Second Episode Morning, though it clearly wasn't.
  • Be Careful What You Wish For: Why Makoto became a girl. He's tired of lavishing his money and attention on women who don't reciprocate, so he wishes he could be a girl so someone would pay attention to him for a change. On a deeper level, Girl-Makoto does get the attention (and gifts) Boy-Makoto wanted but at the cost of living with the constant burden of men who expect sex in return and aren't particularly willing to take no for an answer. And she quickly learns that just being a young women means getting constantly hit on by pretty much every male she encounters.
  • Bishounen: Averted by Makoto, who looks unambiguously male (until he suddenly isn't). Iwanami, on the other hand, plays this straight when she turns into a guy.
    • Kei looks pretty much exactly the same as Makoto as a girl when he's a guy.
  • Bleached Underpants: It should be to absolutely no one's surprise that many of the mangaka's other Gender Bender works are less ecchi and more outright hentai.
  • Blessed with Suck: Makoto's body produces strong pheremones, to the extent that it makes it difficult for straight men and lesbians to control themselves in her presence. This is supposed to teach Makoto some sort of lesson, even though it's also shown to have an adverse affect on the men, at least one of whom is shown wracked with guilt afterwards.
  • Blue-and-Orange Morality: Nandikesvara claims her goal is to increase faith in the gods but has a rather odd view of the lessons she thinks she needs to impart to humanity. Makoto eventually learns to be a better person despite this.
  • Buxom Beauty Standard: Makoto's female form is, by Iwanami's estimations, either a D or E cup and causes A-Cup Angst on her even though she's average-sized. It also causes Makoto to become a Dude Magnet.
  • Clingy Jealous Girl: Iwanami can be this to some scary extremes.
  • Closer to Earth: Makoto comes to firmly believe this — despite significant evidence to the contrary — because every man he meets tries to hit on him but only some of the women, and after spending time as one he has more sympathy for the women.
  • Cosmic Retcon: The whole world gradually shifts to accommodate after Makoto becomes female. Even her own parents forget she was ever male.
  • The Cynic: Makoto has become deeply cynical about romance at the beginning, but like many cynics he's actually a severely disappointed idealist.
  • Dirty Old Man: Director Murakiyama regularly harasses and gropes Makoto, earning himself a Megaton Punch in return, though the the grossest incidents (in both senses of the word) turns out to be an Imagine Spot in which Makoto plays out her worst fears. It turns out also has a nice side and risks his business ties to save Makoto from a more serious pervert.
  • Demonic Possession: Hotarugawa Kei gets this a few times. Mostly from Nanashi, but occasionally also from various deimu. The former just turns him into a girl, the latter does so as well but also ends up turning him into a monster. Possibly a Tsuchigumo.
  • Dogged Nice Guy: Subverted. Makoto is the kind of nice guy that women like to hang out with (and take advantage of) while they're looking for someone more manly. It's him getting fed up with the poor results of his dogged niceness that kicks off the plot.
  • Dude Looks Like a Lady: Nanashi, much to Kei's surprise.
  • Failed a Spot Check:
    • Iwanami completely fails to notice Makoto has somehow transformed from a tall skinny man to a petite buxom woman. However, there seems to be some sort of Weirdness Censor effect, because none of their fellow employees seem to notice either. Makoto's change is eventually raised to the level of a Cosmic Retcon.
    • People stop noticing Iwanami after her existence is "thinned out" to keep her a man until the poison wears off. She starts to worry that eventually Makoto will also stop noticing her.
  • Fanservice: It is an ecchi comic after all.
  • For the Lulz: Makoto's whole role in the plot was triggered by his tendencies to mess with men just for fun. His transformation was, in part, the result of this trope by a goddess' tendency to mess with humans just for fun.
  • Gender Bender: Several characters multiple times.
    • Both Makoto and later Iwanami, though only temporarily transform during a moment of intense sexual desire, which causes some rather odd problems, much in the vein of the movie Zerophilia, though it also provides them with a lot of fun.
    • Amusingly enough, Nanashi does this to both Kei and himself while possessing him in order to harvest spiritual power from their sexual partners.
    • First Law of Gender Bending: Played straight. Makoto eventually becomes a woman permanently but Iwanami does not stay male for long. Kei however does go back to being a man permanently once Nanashi moves on to hanging out with Nandikesvara.
    • Second Law of Gender-Bending:
      • Intially subverted: Nandikesvara triggers the Cosmic Retcon prematurely because she thinks Makoto has accepted womanhood when she has sex for the first time.
      • Both Makoto and Kei become rather addicted to being women. When Kei first brings up becoming addicted to it, the comic temporarily cuts to Makoto with captions pointing out that he's "A person who's not just addicted, but doesn't even want to go back to the old body."
    • Third Law of Gender-Bending: Makoto starts out exploiting her new "female power" by convincing her first male date to buy her expensive designer clothes. it does not go as she expected it to. And everyone expects Makoto to dress as a woman after the Cosmic Retcon.
  • Gender-Blender Name: Makoto is one of the more common ones.
  • Gender-Bender Friendship: Makoto and Iwanami's relationship actually follows this dynamic more often than Jumping the Gender Barrier. Makoto actually tries for a Gender Bender Friendship with Kojima but those darn pheromones induce Kojima to push it all the way to Friends with Benefits.
  • G.I.R.L. Makoto's hobby, which attracts the goddess' attention in the first place.
  • God: In this case it's a hindu goddess of wealth and prosperity, Nandikesvara, who grants Makoto's wish to experience the "easy life" (as he sees it) of a young woman. She's not particularly evil but she does seem to be deriving some entertainment out of Makoto's plight and she has an odd way of defining the lesson she's trying to impart.
    • Nanashi was one as well. Or he may have been a Youkai. During their first meeting Kei points out that possessing someone is something a demon would do, not a god, which proves to be Nanashi's Berserk Button. However when Nanashi starts to worry about which is really true Kei reminds him it doesn't matter as he simply is who he is.
  • Grass Is Greener: Makoto believes young women have it better in life because they can exploit young men for attention, money and gifts. After he becomes a woman he quickly discovers that young women face enormous pressure to "put out" in exchange for that attention, and that's just one of the downsides. Others include getting hit on constantly and getting groped on the train.
    • Makoto eventually becomes convinced that life actually is better on the distaff side despite the downsides. Unfortunately it's through the old cliche that sex is inherently more pleasurable for women.
  • Green-Eyed Monster: Kei is this toward Makoto, which leads to the deimu taking over.
  • If It's You, It's Okay: Kojima seems to not mind being with Makoto, even as a girl. Later, Iwanami starts to feel the same way especially after she turns into a guy.
  • I Didn't Mean to Turn You On: when Iwamami, more than a little bit drunk, decides to investigate just how deep Makoto's change goes and gets more than a bit carried away—For Science!, of course—in the course of her physical examination.
  • I Knew It!: invoked Makoto uses this trope by name to accuses Iwanami of being a lesbian after she takes a marked (at the time platonic) interest in him as a woman. She vehemently denies it. Considering she later makes out with him and even has sex with him as a girl, this is rather ironic.
  • Imagine Spot: Makoto has several of these, mostly played for Fanservice, often imagining the horrible things that could happen to her now that she's a woman.
  • I Want My Beloved to Be Happy: Kojima eventually steps aside for Iwanami, even helping Makoto patch up his relationship with her after a Not What It Looks Like scene.
  • Just Woke Up That Way: Makoto's initial transformation, followed by a Second Episode Morning after Nandikesvara reveals her hand in his transformation.
  • The Loins Sleep Tonight: Makoto turns back into a man while with Kojima, but suffers performance anxiety.
  • Loves My Alter Ego: Kumada had only seen Kei's female form once, but fell in love pretty much immediately. When Kei finds out about it, he tries to convince him to give up on that girl.
  • Man, I Feel Like a Woman: Makoto immediately feels herself up after transforming.
  • Meaningful Name: Nanashi means no name, as the ex-deity has long since lost his name.
  • The Mind Is a Plaything of the Body: Both played straight and inverted. Though Makoto is more emotionally fragile as a girl, he can temporarily change back to male when showing self confidence. So the mind is a plaything of the body, but the body is also a plaything of the mind!
  • Moe: invoked Makoto as a girl has a talent for evoking this, often intentionally, and this is frequently lampshaded.
  • Nobody Poops: Averted, Manaka is depicted sitting on a toilet, if only to demonstrate how much Iwanami is willing to invade her personal space.
  • No Ontological Inertia: Makoto's young cousin Minaka is the only one who remembers Makoto wasn't always a girl, and even she isn't completely sure she isn't mistaken.
  • Omake: Rather goofy 4koma panels at the end of each chapter featuring Nandikesvara in some rather amusing scenarios. Also, she is shown to like playing MMORPG's.
    • Also, rather oddly for omakes, they do get referenced in the main story.
  • Out of Focus: Makoto and Iwanami get minimal time in the story when it temporarily shifts over to Kei's story.
  • Power Perversion Potential: Makoto originally decides to take his transformation in stride and enjoy it. That is, until he learned the reasons he acquired it and the downsides it would entail.
    • Later Iwanami starts to enjoy her male transformation, especially in the bedroom, and makes Makoto her almost literal bitch by the end of Volume 2. She gets over it.
  • Psycho Lesbian: Mild, Played for Laughs version in Yagami, a friend of Iwanami who is also a doctor. She lusted after Iwanami since their school days and was shot down, but this apparently didn't faze her too much, and she immediately gets a little Cute and Psycho regarding Makoto as a girl, which annoys Iwanami.
  • So Beautiful, It's a Curse: A rare literal example as Makoto's female form literally does result from an actual curse. In addition Makoto's petite and pretty female form (not to mention the pheromones she emits) tends to attract molesters and rapists like moths to a flame. Even Iwanami is a little too pushy when she's a man.
  • The Chew Toy: At least part of what happens to Makoto makes him one of these.
  • Welcome to My World: Pretty much the whole point of what happens to Makoto, albeit indirectly.
  • When a Jerk Loves a Tsundere: Makoto and Iwanami are an outstanding example of this, but unlike most examples where the guy's faults are blown out of proportion and the girl is overly violent, Makoto really can be a total male pig at times and Iwanami is often quite justified in her levels of anger in response to his actions.
  • Violently Protective Girlfriend: Both Iwanami and Kojima are very protective of Makoto. Makoto lacks the strength and the inclination as she was neither violent nor protective even as a boy.
  • Yamato Nadeshiko: Rei Kojima has the look in comparison to Iwanami, but her demeanor is nothing close to this.
  • Yandere: Both Iwanami and Kojima have shades of this for Makoto.
  • You Can See Me?: While Iwanami never finds out about it, Jouno can see that she's actually a woman despite Nandikesvara disguising her as a male to the world.