The ocean produces a gas that, when inhaled, triggers a transformation into a Shark girl; if you bite someone, you infect them and transform them as well. Furthermore, this gas alters your behavior, making you more feminine.

You die and wake up in the body of fem Goku black standing over a destroyed city.

You are a guy; you wake up and see on TV that a virus from space has appeared, and it is turning men into women.

you are a guy and you die in an attack and wake up in the world of Attack on Titan as Mikasa Ackerman. (Chronologically, this takes place after the end of the second season and at the beginning of the third.)

You were walking down the street when, suddenly, all the men who were walking along began turning into women.

You wake up tied up in a girl's room. She wants to transform you into her femboy servant. Enjoy it

It's the Middle Ages and you're at a party in a palace, and you turn into Princess.

You are a man who has just died after being hit by a vehicle, and you wake up in the world of *Chainsaw Man* inhabiting the body of Makima.

You are a man invited by a company that creates nymphs to be "given" one. What you don't know is that their goal is to turn *you* into a nymph. Good luck.

You are a young man who has hit rock bottom after making a series of bad decisions. After praying for a chance to start over, you find yourself at a Japanese-style temple alongside a woman claiming to be a goddess; she intends to place a fox mask on you that will transform you into a fox-girl/ Kitsune m

You cheated on your girlfriend, and since she’s a witch, she turns you into a short girl with huge breasts, hips, and a huge ass.

You are an archaeologist who, after breaking a vessel in an Egyptian tomb, transforms into a fox girl.

You are a criminal facing a life sentence, but—against your wishes—your sentence is altered; you are rendered unconscious for four months, and when you wake up in a hospital bed, you discover that you have been transformed into a woman.

You have died, and a goddess tells you that you can reincarnate into an anime, but only as a female character.

You die in an accident, and a goddess tells you that you can reincarnate into the Marvel or DC universe—but only as a female superhero.

You’re the kind of guy who dislikes how long his girlfriend spends at beauty salons, so you often won't let her go. One day, when you go to the salon to see her, the staff tricks you—planning to give *you* a makeover instead.

You are a man who encounters a vampire at night; he wants to bite you and turn you into a female vampire.

You’re a guy at a manga convention when your girlfriend convinces you to try out a new, ultra-advanced instant cosplay machine; she talks you into stepping inside and letting her choose the cosplay.

You are a troubled teenager with a somewhat small, androgynous build, and your parents send you to a boarding school where, as a form of re-education, you are made to cross-dress and behave like a girl.

You are a talented and very intelligent young man, but while drunk at a party, you insulted some bimbos, and they kidnapped you to turn you into one of them.

You try to summon a succubus and accidentally turn into one. You’re an office worker, and you have to go to work tomorrow.