Short synopsis: Think "Kampfer" meets "Infinite Stratos"... more>>

Long synposis: The story is about a high-school student named Lihau Yuexiang Tachibana whose goal is to be recognized as a manly man. The problem is that he looks exactly like a girl and is constantly bullied by his peers because of this. He is gifted the power to become a gunner princess fighter and hopes to use this newfound strength to prevent the bullying and finally become manly.

One-shot included in volume:

- "Kurage's Love (くらげの恋) [2009]" <<less

It's a different world where puberty is the result of a butterfly-like metamorphosis rather than simple growing up. Sometimes it goes wrong...

Takahashi wakes up one day to discover he's turned into a woman. Curious about what it feels like to have sex as a woman, he asks his friend Hirukawa if he wants to have sex.... more>>

Self-published on Note.mu <<less

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Iroha, a masculine girl, and Hifumi, a feminine boy, are siblings who have transferred to a different middle school and moved to their grandparents house.... more>> However, after the first night, much to their surprise... they've switched genders. The two are left feeling "delighted"... <<less

This volume spinoff offers a new ending to the original series. Will Akira and Momoi switch back into each others bodies? Also included are a... more>> few one-shot stories. <<less

A story about a boy turned into a violent magic girl.

Before they enter high school, the boys Meguru and Shou are whining about the fact that neither of them has a girlfriend. A strange, large-breasted woman shows up, claiming that she will fix their problem, and kisses Meguru. This odd occurrence is pushed out of the boys' minds when they meet up with Souko, a friend from elementary school, who is going to be in their high school. She's grown up into a pretty young girl, and it seems like the boys might have a shot with her!... more>>

That evening, Meguru realizes that the strange kiss may have had more meaning than he thought: he's turned into a girl! He convinces Shou and his mother of his identity, but no one has any idea how to turn him back. Now he's going to have to learn how to be a girl and let go of his hope of dating his cute childhood friend Souko. What will happen to his hopes for a popular high-school life? <<less

Aizen Kanou, just like any high-school boy, yearns for a girlfriend. But he's so painfully shy he flees when any girl tries to talk to him. Except his childhood friend, Yuzu, who scolds him for being so shy. But she leaves behind a temple love-charm. ... more>>

That night in his room Kanou uses the charm to demand heaven grant him his wish for a beautiful girl. When he wakes up in the morning, he finds his wish has been granted--and the beautiful girl is himself. <<less

Shimeru Futaba is a normal high schooler living a normal life, active in his school's wrestling club and slowly getting closer to his awkward love... more>> interest, Misaki. This fails to last, as he discovers his family's hereditary genetic defect that becomes active at adolescence. Although it will eventually become controllable, excitement and stress now make Futaba switch sex. Hilarity ensues. <<less

A high-school boy named Manaka Hiromi is given the magical power of the Red Garnet Princess to defeat the Devil King who is trying to... more>> escape Hell (or something like that). Unfortunately for him he's also given the sort of body that comes with the job description. <<less

Eunsung one day wakes up to find out he's a girl! He's able to hide his change of gender from everyone... or so he thought.... more>> His secret is discovered by his crush on day one and moreover, she asks him to pose as a nude model for her! How will Eunsung's life start anew as a girl? <<less

On one particular day, a high school student, Shuichi, saves a magical fairy Sylphy from drowning in a pond. When Sylphy offers to grant one... more>> wish out of gratitude, Shuichi immediately asks for a “cute childhood girlfriend.” Sylphy then turns Shuichi’s childhood male friend, Iori, into a girl…! The newly female Iori is surprisingly cute…! <<less

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It's a story about when you wake up, your gender changes.

To gain the confidence to confess his love to his crush, high school student Yashiro visits a secluded shrine for 100 days straight. This earns him the attention of the enshrined deity and his fox attendant Ukon who follow Yashiro on the 100th day to see how the confession turns out. However, they are surprised to see him confess to a guy, Yashiro's longtime friend Kenta, only for Kenta to turn him down. Although heartbroken, Yashiro tries to joke around with Kenta, but he accidentally gets killed when a truck runs into him.... more>>

Yashiro awakens in the presence of the shrine's god and Ukon, and as a show of gratitude, the god decides to restore him back to life to give him a second chance with Kenta. In doing so, the god grants his wish to be reborn as a high school girl and gives her the name Kagura Tendou. However, she soon discovers that the god and Ukon plan to watch over her relationship with Kenta, although she's the only one who can see and hear them.

Volume 5 contains the oneshot Alice:

Haruka Asakura doesn't like hanging out with other girls, but after she reluctantly transfers to an all-girl high school, she meets Kanata Fujiwara, a tall girl called the prince on campus. Unlike other girls, Haruka finds Kanata easy to talk to, leading her to uncover feelings for her newfound friend. <<less

An autobiographical manga that tells the story of the author's trip to Thailand in order to undergo sex reassignment surgery, describing the process of transitioning... more>> from male to female. But the path to womanhood is a lot more painful than imagined... <<less

Gen Shiomi, the 56-year-old boss of the Hitotsubashi mob syndicate, must go into hiding to protect his life from potential assassins. He opts to get... more>> plastic surgery, only to end up looking like a teenage girl, but he resolves to stay like this until his life is no longer in danger. However, he finds it hard to not be suspicious, but he is saved from being the target of police by a teenage boy named Tatsuya Umemiya. After helping Tatsuya out of some troubles of his own, Gen is forced to enroll into junior high school as "Shiomi Iwao", only to discover that one of his new classmates is Tatsuya. <<less

To drown men into dazzling pleasure and show them their loved ones in their dreams, that is a succubus. Due to an accident, a young... more>> 17 years old boy named Riichi Hourai is reincarnated into a succubus due to a misunderstanding by the Reincarnation Support Department. For a succubus to live, she squeezes out man's life essence and must consume it but Riichi as a former man firmly refuses it and would rather die than do such behavior. Does a substitute for a life essence kind of food exist? There is! And surprisingly it's milk!! However, There's no race called a cow in another world let alone drink milk from other races. Although the Rehabilitation Support Department gave him a dairy cow under special circumstances, he risks his own life raising the cattle who will become his life line in a parallel world and survive there while resisting his succubus nature. Moreover, It seems the cow wasn't just any ordinary creature?Contrary to his desire for a peaceful life, Riichi was dragged into conflicts that influenced the fate of the world without him noticing it. Though him and his best friend have both died in an accident and his best friend reincarnated a bit late, both of them haven't noticed the existence of one another. Can Riichi meet his best friend ever again?! Will their friendship be the same like their past life?! A romantic comedy with their new cheat forms start here. <<less

Kanata and his friends must find a way to return to their original bodies after they're trapped in the real world as their game avatars.

Shunichi Ikeya gets a confession from his childhood friend, Yuka Yashiro, and he comes out as gay. The outcome of that isn't what changes their... more>> lives together but rather, a change in sex is what turns their lives around... <<less

A Hero Whose Body Undergoes an Unusual Change

Sagara becomes a girl in his third year of middle school, and has to deal with his crush on Kurosawa, a female classmate.... more>>

Includes an extra story featuring Mamiya and Miyoshi from five years later in volume 1.

is the extra chapter in volume 2. <<less