From Wataame Shoujo: The story is about Kobato going to Japan to find her brother but accidentally, she becomes an idol when she met Takeru. The catch is Takeru and probably everyone else actually thought she was a he because of how she acts and dresses.

A very short story (3 pages long) about a boy who transform into a girl to become a hero, but she has to collect stamps to be a real hero.

The general plot of the story is that a boy (yes, “he” is a boy) saved a man from outer space and the man turned the boy into a girl by using some kind of alien technology/potion and force “her” to be his wife. Who’s the boy? He's a normal high school student who looks like a girl and is liked by his brother. Who’s the man? He's the prince of one of the most powerful empires in the universe.

Yukinari Takase is a huge masochist who instantly takes a liking to Rion Tachibana, a menacing trap who just transferred into his class. After Rion believes Takase has uncovered his secret, he decides to make Takase his servant in order to keep his mouth shut.

From Baka-Updates: Because Shinjo Mayu stopped her job relationship with Shogakukan, she continued her incomplete manga in Asuka and called it Ai Ore! This can be considered a continuation of Ai wo Utau Yori Ore ni Oborero! or even as a second series as it introducing a lot new character and unrevealed past When Akira announces he was a boy in the first book "Ai wo Utau Yori Ore ni Oborero" so does the fact Akira goes to Dankaisan the boys school next to St. Nobora (Mizuki's school) Things start to get rough when pressure against Mizuki dating a boy from that school rise.

Haruhi is a poor tomboyish student at a school for the ultra-wealthy, and is able to attend because of a scholarship, but is unable to even afford a uniform. One day, she stumbles across the peculiar but very popular Ouran Host Club. She tries to leave, but accidentally breaks a vase, and is unable to pay for it. She's told that she'll have to stay and do odd jobs. That is, until they decide she would be more valuable as a club member. Not realizing she's female due to her appearance, they fix her up and give her a male uniform. She's an instant hit, so they decide to have her keep up the charade even after they find out the truth. Haruhi, being common almost to a fault, doesn't know what to make of the unconventional activities of the Host Club (or of the even more unconventional members), but having little choice, she plays along. Before long, real bonds are formed, friends made, and Haruhi finds herself accepted in a way she could never have been otherwise in this affluent school. Other manga:

From Wikipedia: Hanabuki High School prohibits its pupils from wearing makeup. Among the school girls there is a rumour going around about a legendary make-up artist, Ageha, who secretly gives makeovers to girls after school. Any girl wanting Ageha to give them a makeover needs only to write their name and class on Ageha's card (showing Ageha's trademark, a swallowtail butterfly—agehach? in Japanese) and put it up on the school's notice board, and Ageha will later show up in their classroom. However, no one knows that Ageha's true identity is the quiet, bespectacled girl, Rin Fujiwara, except for the play boy, Riku Kisaragi. Amused by the idea, Kisaragi cross-dresses as Ageha's assistant to tag along with her as she works. A running gag in the story is that Ageha's clients think that Kisaragi is Ageha upon first meeting.

Ogata Aoi is in her 2nd year of middle school and is the president of the student council. The middle school she attends is one of the best in the country and is called "AAA". Aoi goes there to meet her first love, but after a surprising meeting, she's finding out that her first love is a gang leader in the neighbor school, called "CCC" (lowest level). Maybe it's only a coincidence that that gang leader and her first love have the same name since they look completely different from each other, but now, Aoi wants to find more about this person....

From Chibi Manga: Plainful child. Akari is really attracted by the popular Unit of idols "Flower”. Then Akari get the chance to sing at the Flower's center?! But what is the secret that Flower keep…?!

Description from Viz: The story A, A' raises a troubling question: How would you feel if your lover died - and was replaced by a clone? Could you recreate your relationship with someone who was physically exactly the same but didn't share any memories of your life together? In 4/4, teenaged Mori flunks out of an ESP training program. But when he meets Trill, a beautiful Unicorn, his latent abilities begin to blossom... In X+Y, Hagio uses science fiction to explore questions of gender and sexual identity. Time has passed, and once again, Mori finds himself inexorably attracted to a member of the unicorn race - but this unicorn is male... and so is Mori. X+Y won Seiun Award in manga category in 1985

"Sensei, is this a boy or a girl?" "Do you want to know?" Ichijo Mashiro and fellow classmates are enlisted in a mysterious weekly class that takes the form of a shared nightmare. Like most teenagers, Mashiro has a secret.. he's neither fully male nor female! So far, Mashiro's been able to live life as a boy, but all this changes when he's informed of a new class he 'must' partake in order to graduate from his elite preparatory school. To pass, he must find the key and the one way to find it is to enter into a nightmare world, where his body and soul are put at the mercy of the worst kind of enemies -- other school students, who are battling to find the key. From renowned author Mizushiro Setona, comes a riveting epic mystery that lies between the students, that will have you engrossed from one page to the next. Happiness, sadness, blood and tears will all be shown, but which one leads to an ending? Take the next step into the world of After School Nightmare! From Go! Comi: Like most teenagers, Mashiro Ichijo has a secret. But Mashiro’s secret is that he’s neither fully male nor female! So far, Mashiro’s been able to live his life as a boy, but all this changes when he’s informed of a new class he must take in order to graduate from his elite prep school. To pass, he must find the “Key”…and the only way to find it is to enter into a nightmare world where his body and soul are put at the mercy of the worst kind of enemies: his classmates!

Poor schoolgirl Alice discovers that angels of death are anything but angelic! As punishment for slacking on the job, the shinigami Lapan is ordered to go to the Human Realm in the body of a skeleton to retrieve a wandering soul. However, much to Lapan's lecherous delight, a slip-up lands his soul in the body of young Alice, a buxom student at a local all-girls school. With the skirt-chasing shinigami (as Alice) leaving a storm of sexual harassment allegations in his wake, whatever is poor beskeletoned Alice to do?!

Alto, a 12-year-old kid, has arrived to Porto Grande, the largest city in the country. His dream is to fly an airplane which only women can pilot. In order to fly, he disguises his gender and age and enrolls himself in an all girls school. What kind of a school life awaits him behind those closed doors?

27 year-old Ayukawa Yuuji has never been much of a man. He's more comfortable sewing than fighting, he faints at the sight of blood, and his fiancee is tougher than he is. He's also a terrible pushover. So when his boss at the medical lab volunteers him for some experimental drug therapy, how can he possibly refuse? All's mediocre for Yuuji: master of the pathetic. Mediocre, that is, until a juvenile mass murder suspect jumps out from under Yuuji's bed, declaring him his "mate." Before Yuuji has time to argue, the stranger transforms into a 16 foot-tall dinosaur and beheads his roommate... Yuuji suddenly finds himself the sole target of a lost race that turns into dinosaurs, an extremely scary woman with a Goddess-Complex, the yakuza, a mad scientist and one 17 year-old boy who really, really, really wants to sleep with him. Series order: 1. Aragami no Ichizoku (4 volumes) 2. Daichi no Okite (2 volumes) 3. Genshi Sairai (10 volumes)

Far away from home, Yuuji and Minato have carved a place for themselves in Alberta, Canada, with their new baby daughter, Yui. Yuuji works at a University, while Minato – though still as childish as ever despite being a new dad, works at the conservation center as a mediator for the better understanding between humans and Dinosauroids. It’s been a year since the contagion called X Syndrome had been unleashed on the human race. Just as distinguished government officials and police force began to regain control of the situation, the existence of the Dinosauroids became known by the academic community. Dinosauroids – while they have a tendency to possess superhuman abilities, female births are extremely rare and problematic. Which is why the existence of Yuuji (a converted female Dinosauroid), and the newly born Yui are so valuable and sought after by many – most of whom wont hesitate to resort to dubious means to acquire either one of them! True to words, Yuuji has indeed become the beauty as many had predicted – provided he takes off his heavy glasses of course! He is never short of admirers – both males and females, including a University student Linea, and the various Dinosauroid males eager to mate with a Dinosauroid female. And this is where the role of a female in a heavily populated male Dinosauroid society comes to play. Add to that, the various nefarious people after the newly born Yui, both the parents Yuuji and Minato might have their hands full this time around as well. This is the third and final installment of the Animal X series.

Nikotama Souhei is transferring to a new school and vows to enjoy a new life, living a lifestyle true to himself...or herself, as the case may be. Adopting the name "Sara", Souhei heads to school in a girls' uniform, ready to grab life by the knads and twist. Sara's no pushover: bright, hyper and frequently violent. She's like nothing anyone at the school has ever encountered. Especially her sweet, upstanding classmate Naruse Kaito who finds himself knee-deep in Sara's "Brave New World". A nice bit of shoujo fluffiness unique for featuring an honest-to-goodness, non-apologetic transgendered hero(ine).

Akira Shiraishi, a young high school boy with feminine features, joins Blaue Rosen, the all-girl band that Mizuki Sakurazaka, an androgynous girl of the same age, performs lead electric guitar in. Their high school life is anything but typical: Mizuki is the "prince" of her all-girl school while Akira is the "princess" of the neighboring all-boy school. A series of comical events brings them closer together, even as the prejudice of the people around them tries to pull them apart. To make it short its a comedy-romance manga from the androgynious girl point of view - Sequel - Ai Ore!

The main character is a trap, whose sole purpose is to convert others into trap by whatever means possible. He seeks boys with feminine features or behaviors and through very comedy based tactics convinces them to embrace the trap life style.

Amamiya just died. Death by bottle tripping... But he is given one more chance, to live... To live in the body of a girl gone comatose that is. With his new identity, read on how his mind set is slowly changed from a guy to a girl. One thing for sure, there is more than one body switching in this manga!

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. However, after the first night much to their surprise they both change bodies, Iroha into a boy and Hifumi into a girl while Iroha tries to get back her girl body how will this turn?

From Taruby: Our protagonist, Moji Shimeta, just so happens to fulfill the stereotype for being a worthless human. His inability to carry out a conversation has left him at the bottom of the barrel as far as friends are concerned. That Shimeta fell in love with the school idol Ishikawa Yuuko, however that kind of love is absolutely, perfectly, and completely impossible. During this time, the messenger of the gods, Osaki, appeared to grant Moji's request with a price attached concerning Moji's cooperation in catching some runaway evil spirits. However to catch them all, Osaki uses Moji as a vessel to become a servent of Uganomitamanokami (aka Inari) called Youko. Lots of Ecchi situations and humiliation abound at Moji's expense.

Masato Kataoka moves into his new dorm to begin his life in high school when one day, a cute girl named Yuki Nomura becomes his roomate. Masato learns that Yuki is an old childhood friend, but becomes surprised when he realizes that Yuki was, and still is a guy. Yuki's charm and affection for cross-dressing leaves Masato with feelings of discomfort and fright. Find out how Masato manages to deal with a cute cross-dresser and the many obstacles of high school life. Résumé by: Krasae

An older brother discovered his interest in cross-dressing and totally grossed out his sister. After consulting online message board, he decided he will play the role of older sister instead to build better relationship with her.

From Tokyopop: Inez is a young orphan girl with a special gift that allows her to communicate with all creatures. A great destiny awaits her, the nature of which she is yet unaware. As our story opens, Inez is traveling with an old wizard named Kaager and a faithful dog named Zode. Her country is about to plunge into its first winter in one hundred years and ominous signs abound concerning the return of a demon-race which threatens the country's fragile peace. Can little Inez- via a magic amulet - bring back her country's ancient dragon protector in time?