GuessAnime.

10. Boku to Kanojo no XXX

Two teens see how the other half lives!

The girl: cute but obnoxious, pretty but violent, petite but rude.

The guy: shy and slender and secretly in love with the girl.

When her mad scientist grandfather accidentally switches their bodies--it's freaky Friday, Saturday, Sunday, and every day! Akira Uehara is mortified when his best buddy starts hitting on "him," and is embarrassed to look at "himself" in the mirror in her underwear! He can't wait to get back to being a boy. But Nanako Momoi has other ideas--she is starting to enjoy life in Akira's body!

Your & My Secret is finished and has 8 Volumes and 62 Chapters. It is also Known as: 僕と彼女の×××, Your and My Secret, My Barbaric Girlfriend

9. Hourou Musuko

Shuuichi Nitori is a 5th grade student who likes to bake and has always been something of a feminine boy. When he transfers to a new school, Shuuichi is mistaken for his 6th grade sister on his first day. Then he ends up sitting next to Yoshino Takatsuki, a tall, boyish girl who everyone calls "Takatsuki-kun." They both have secrets they can't let anyone know...

The series deals with issues such as transsexualism, gender identity, and the beginning of puberty.

Wandering Son is finished and has 15 Volumes and 123 Chapters. It is also Known as: 放浪息子, The Transient Son

8. Boku wa Mari no Naka

The manga follows an "angel-like" beautiful high school girl with a certain secret she has been hiding from everyone, and an idle hikikomori young man; the highlight of his day is seeing Mari at the convenience store. The story begins as Mari wakes up in her room, but something feel amiss about the room and even her own body.

Inside Mari is finished and has 9 Volumes and 80 Chapters. It is also Known as: ぼくは麻理のなか, I'm in Mari

7. ReLIFE

The story follows Kaizaki Arata, a 27-year-old jobless man, who fails at every job interview he had after quitting his last company. His life changes after he met Yoake Ryou of the ReLife Research Institute, who offered him a drug that can change his appearance to 17-years-old and to become a subject in an experiment for one year. Thus, he begins his life as a high school student once more.

ReLIFE is finished and has 15 Volumes and 222 Chapters. It is also Known as: リライフ, 重返17歲

6. Mousou Telepathy

Nakano-san is a high school girl who can look into people's minds. Because of that, she finds out that the mind of the popular Toda-kun is full of wild fantasies about her!

Included chapters: 102.5, 209.5, 311.5, 416.5, 512.5, 612.5, 717.5

Mousou Telepathy is finished and has 7 Volumes and 724 Chapters. It is also Known as: 妄想テレパシー, Delusion Telepathy, Moutele

5. Bokura no Hentai

Three boys in junior-high who cross-dress because of differing reasons meet each other through a cross-dressing community website, and decide to meet up in real life. "Parou" started cross-dressing because he wanted to attract a heterosexual boy he liked. "Marika" is transgendered and identifies as female. Lastly, "Yui" is an antagonistic boy who adopted the persona of his older sister after her death. In contrast to Parou and Marika, Yui is sorely disappointed at the meeting.

Bokura no Hentai is finished and has 10 Volumes and 41 Chapters. It is also Known as: ぼくらのへんたい, Our Abnormalities, Our Transformations

4. Kokoro Connect

5 boys and girls full-shuffled! 5-way love pentagon comedy! At clubhouse room 401, there gathers "anything goes" members of the culture study society. Pro-wrestling otaku Taichi Yaegashi, mysterious beauty Iori Nagase, cool Himeko Inaba, the clown Yoshifumi Aoki and fancy-loving Yui Kiriyama found the noisy but calm days suddenly come to a halt. The personality switched among the members--. The unnatural days of changinging into "someone" by getting back to "themselves" by becoming "someone else" has started!

Kokoro Connect is finished and has 5 Volumes and 32 Chapters. It is also Known as: ココロコネクト, Kokoroco

3. Boku Girl

Suzushiro Mizuki is a 1st year high school student who has the difficulty of constantly being mistaken for a girl. It's so bad that he's endlessly rebuffing the confessions of many men. Even the girl he has a crush on seems to think of him more as one of the girls rather than as a potential love interest.

Meanwhile, the trickster god Loki has grown bored with playing her tricks on her fellow gods. Turning her attention to the mortal world, she targets Mizuki for her next round of fun. The result: Mizuki wakes up with budding breasts and a missing part of his anatomy.

What else is in store for Mizuki and how will he deal with it?

Boku Girl is finished and has 11 Volumes and 107 Chapters. It is also Known as: ボクガール, Boku Girl

2. Ookami Shounen wa Kyou mo Uso wo Kasaneru

Keitarou Itsuki is a high school student unhappy about the menacing look of his eyes. Keitarou tries to confess to the girl he likes, Aoi Tokujira, but she rejects him flat out. Thinking that his eyes were the reason why she rejected him, he confides in his older sister about it at her salon, who helps by giving him a complete makeover...as a pretty girl! Forced to head home like this, he runs into Aoi in town, but she doesn't recognize him and thinks he's a somewhat manly girl. Before he can leave, Aoi asks him to help her overcome a problem she's had for many years: an intense fear of men.

The boy who cried wolf tells a lie today also is finished and has 5 Volumes and 32 Chapters. It is also Known as: 狼少年は今日も嘘を重ねる, Ookami Shounen wa Kyou mo Uso wo Kasaneru