Turtles. Tachibana Leo, 16 years old, hates that word. Because it reminds him of his childhood when he had to play with Tsuwabuki Tenma, a crazy girl with a huge love for animals. Poor Leo had to go through a lot of things because of Tenma. After studying overseas for 10 years, he comes back to Japan to take revenge on her but 10 years is a long time and a lot of things have changed since then, including Tenma herself.

Nakamura Kouta is a freshman in high school who dislikes girls. One day he is visited by his childhood friend Karen, with whom he lost contact over time. Karen is a tomboyish girl, who refers to herself as "Boku" (a first person pronoun usually used by males). She asks him to help her become more feminine to win the affection of Itsuki-san, a colleague at her part-time job. Even though he is reluctant at first, he more or less voluntarily agrees to help her out in the end. But making a lady out of the clumsy Karen with nothing but his extensive galge experience as reference proves more difficult than he could imagine.

Ken has never been good with words. However, he learned to overcome his shyness when his classmate Takumasa approached him with an exchange diary. In high school, problems start to arise in Ken's and Takumasa's relationship as they face their feelings, future paths and possible separation.

*There is an extra about another couple that is still untranslated.

IS (Pronounced Aiesu in Japanese) is not your everyday manga. This manga strictly deals with cases of intersexuality. IS stands for Inter Sexuality. This manga deals with very serious issues concerning intersexual people. The pain they go through, the troubles they confront, and ultimately their inability to reproduce and even find a partner who will accept them as they are - It's all there in a form of manga. The series is consisted of cases, each dealing with different people - although some cases are much longer and more dramatic than others. The first volume is about the case of Hiromi and the case of Ryoma. The third case is of Haru and characters related to him. If you don’t know what intersexuality is, refer to the Wikipedia on Intersex.

Mitsuru is beautiful, graceful and admired by many people, but she has a weird problem—a single, violent movement against her can get her begging sweetly for more! Her nickname M, also stands for masochistic.

Natsuhiko, is a guy who found out Mitsuru's secret on their first day of senior high school. Even so, he has an equally bad problem—the mere glimpse of his reflection can send him into a flying fit about how beautiful he is! He is nicknamed as N for narcissistic.

They both hope to minimize their chances of being exposed because of their weird behaviors.

Apart from the fact he’s in the student council and has quite strange tastes, Shima is an average, low-profile, quiet high schooler. Therefore, he doesn't understand why Ryuunosuke, a sports student, always glares at him every time they cross paths. Shima doesn't want to draw the punk’s attention, but the instinctive hostility of Ryuunosuke towards him troubles him, and he wants to know why the other boy hates him…

N/A

There is a serial killer in my house!

A group of high-school students had an accident on their way to a trip and died but they find themselves in a classroom with a black sphere.

School life never fails to be an alluring theme to the reader. Even more so if there’s romance involved. Musunde Hiraite chooses to take a quite innovative path in the description of high school romance, as it doesn't simply focus on a single character’s pubescent worries, but rather has a school-wide purview.

From Chibi Manga:

Because she loved drawing and wanted to do something special, she went to a famous art school.
And there she met the handsome and cool guy...

From Divine Sanctuary:
Ever since she was small, Sakurako has always been treated nicely by all the boys she meets. That made her get too full of herself, and one day, she caused a boy to be hurt very badly. If only she can meet him again to apologize and tell him her true feelings...

Plot revolves around high school freshman Shingo Susa as he is invited by his crush from middle school Sayuri Shiroyuki to the school's supernatural club. Over the course of the series Susa begins to gain supernatural powers, something that prodigy Rei Uryu, attempts to awaken to bring out the psychic giant, Susano Oh to destroy humanity and establish a new world order.

Won the 4th Kodansha Manga Award for Shounen in 1980.

From MangaHelpers:

Takahashi Ena is a high-school idol with a secret hobby. She often wears headphones, and people assume she is listening to music. In actuality, there is no music playing; she is eavesdropping! She prefers to listen to two of her male classmates, Nara and Mikage, because they have the most interesting conversations. She has to be careful to not be found out, though, because a creepy hobby like that could ruin her image! [tethysdust]

From Midnight Scans:

Kureha Mimachi, a 15-year-old girl, has just transferred into Shiritsu Kenhono High School. However, there is something weird about this school, it is actually a school where the Princes and Princesses of the beast-kind go to!

Even though Kureha is human, she is there as a way to help the students lead their lives peacefully with humans and has the role as the "rabbit". Will she be able survive without being eaten by the students? Only time and her hidden bodyguards will be able to answer that...

The Freezing Pair Love Stories manga tells the story of how the various Pandoras and Limiters met. The first chapter focuses on the characters Ganessa Roland and Arthur Crypton.

Since the beginning of time ninjas have been regarded as people with great skill and power, the Blazing NinjaMan (Shinobi Mantaro) is one such young man. There is only one problem, the era of the ninja has come and gone. How can Shinobi consider himself a ninja in modern day Japan (1990s) and survive the daily rigors of high school life.

I love math. Just after the high-school entrance ceremony, I meet a beautiful girl: Milka. Milka is a mathematical genius. She shows me many math and many elegant solutions. Milka and I spend a long time discussing math in the school library.

One year later, I meet another mathematical girl: Tetra. Tetra is one year younger than me, and asks me to teach her math. While I teach her, she begins to understand math and gradually to love its elegance.

The third series is about logic puzzles, Peano arithmetic, epsilon-delta, Cantor's diagonal argument, Hilbert's program and Gödel's Incompleteness Theorems.

From MangaHelpers:
Yasaka Tokiwa lives in an unusual time, and according to his dreams, it's about to become even stranger. He's been having a dream of a woman called Ri'in ever since the robot, who he calls Makina, came to his home. He and Makina attend the same school, where their other classmates include a secret ninja (Kusanagi Kanata) and a sorcerer (Yata Haruka).
When Tokiwa, the robot, the ninja, and the sorcerer rush to rescue the student council president from a demon, the boys find that they've all been having the same dream! What is going to happen to their world?

At a boarding girls' high school where every student is an assassin, they target only one life: "The Hare", who appears to be a girl named Ichinose Hare. Similarly, "Azuma Tokaku" is an assassin who transferred schools to target her, however she gradually became attracted to "Hare" and decided to protect her.

Extreme school life START!