Sequel of Endou-kun no Kansatsu Nikki.

The "after school love comedy" story follows Hana, a small, quiet girl who attends a discipline training all-girls school because she was attracted to the cute uniform. She secretly works at a fancy shop as a part-timer, and one day Hina, the school's super-slender beauty, joins as a new employee.

The Japanese government developed a military project where they created "Iron Princesses", schoolgirls who were altered to strengthen their body by replacing their bones with steel and artificial muscles. The Iron Princess are experts with the katana and are allowed to fight in the streets to determine the cream of the crop. Those who repair the Iron Princess are medical experts called Toui and they work to maintain and improve the girls. Sakuradamon is an academy built to train girls like Asami Honoka, an Iron Princess and Nagamitsu Yomogi, a Toui. Asami is a mysterious and powerful fighter while Yomogi is a medical child prodigy and they have to work together if they value their lives on campus.

Nanase Haruka is a sixth-grade elementary school student who loves connecting with the water and feeling the water as he swims, and he attends a local swim club together with his childhood best friend Tachibana Makoto and Hazuki Nagisa, one year younger than the both of them. Then, one winter’s day as graduation draws near, Matsuoka Rin transfers into Haruka and the others’ school from another swim club. Through swimming, Haruka strengthens his bonds with Makoto and Nagisa, as well as with Rin–at which point Rin, with his passion for the medley relay, suggests they form a team together and enter a tournament.

This is the novel that the anime Free! is based on in manga form at last! (September Scans)

15-year-old country girl, Suzume Yosano, has to move to Tokyo to live with her uncle due to her father's transfer. She bumps into a mysterious man who ends up taking her to her uncle's place after she gets lost. Turns out, Suzume will be seeing him a lot more often once she starts school because... he's her homeroom teacher!?

Included in the manga is a oneshot story called Tsuyu Kaoru (A Love Story in Moist Rainy Days) in volume six:
A romantic and melancholic love story behind a red umbrella.

From Yaoi Is Life:

Kadokura is the student council president. His father, who is the coach of the track and field club, allows various members of the track club to board in his home, an event that causes alot of stress for his son. One main source of stress is the ace Kima, who has a huge ego and constantly bothers Kadokura. While Kadokura has to deal with this until he graduates and leaves the house, suddenly, one day, Kima kisses him. Consequently, Kima begins to kiss and touch Kadokura, but Kadokura has no idea why. It looks like if things keep up this way, Kadokura might start thinking that Kima likes him...

Noboru Takizawa is your normal student. However upon being transferred to a new school the first thing that happens is that he steps on a land mine! From that point on, he fights against the hall monitor and gets past him. In the turmoil of it all, he meets the lovely Yukari and befriends her. Later on, he meets Ibuki, who later becomes his rival to win Yukari's heart.

It turns out that the school Takizawa has transferred to is trying to tyrannize the students of the class he's entered. It is now his job to try and help them out and keep their class! He does this by trying his best in showing the class has potential in a sports festival at the school. Meanwhile in the background, Takizawa's father is setting the teacher's straight and making them stop their evil ways.

The basic plot is that Takizawa transfers to schools where the teachers have messed up methods to deal with students, or schools where there are obscure and crazy rules. His father accompanies him and pretends to be one of the teachers to try and sneak up on the evil or corrupt teachers and end their tyranny.

Kenji Sakuragi is a poor lawyer and ex-motorcycle gang member looking for an opportunity to boost his career. His chance finally comes with the nearly bankrupt and notorious Ryuuzan High School, referred to as "baka gakkou" (stupid school) by some. There, he sets up a special class that aims to prepare students to take and pass the entrance exam of Toudai.

Won the Kodansha Manga Award for General Manga in 2005.

Eun-soo Cha is the main character of the story. Eun-soo has hated her Mother ever since she was abandoned by her. Raised by her Grandma, she became a wild child that likes to fight. She has even disguised herself so well as a guy that people won't believe her even if she says she's a girl. She can fight well, and is even referred to as hot by girls. One day, however, her Grandma's already bad health worsens, and she promises not to fight anymore. When Eun-soo's grandma dies soon after, she decides to leave Dae-Jeon (where she lives) and goes to Seoul to live with her Mother, despite still hating her, because she has nowhere else to go. There, she runs into one of the best fighters, at her new school, and immediately gets on his bad side. What will happen? Will she break her promise to her grandma? Will love bloom?

Based on the Korean Internet Novel, "암컷늑대의 BOY" by i쿠키i조아 (iCookieiLike)

A prequel to Freezing detailing the background and origins of Kazuha Aoi, Kazuya's older sister, Arnett McMillian and many other girls of Pandora.

From MangaHelpers:

Ignacio DaSilva is a world famous Brazilian karate expert turned soccer player who has been making headlines. His giant body and unusual speed has made him the number one player in the world by far. During his post game interview, he stated that there was someone with more talent than him and that he was coming back from Brazil any time soon. This left the media in a frenzy to find who this player was that was better than the great Ignacio.

Kensho is the son of a karate master who grew up with his next door neighbor, Satsuka, who was the daughter of a soccer coach. As fate may have it, Kensho became a great soccer player and moved to Brazil for 3 years while Satsuka stayed in Japan and became the scholastic champion in her division. Kensho comes back to Japan and attends the same high school as Satsuka. Little does the world know about the tornado that was about to hit the soccer community with the return of Kensho. [vyc]

Can the world change through the power of imagination!? Daisuke Yamomoto is an 8th grader who has Chuunibyou syndrome, but things get little bit out of hand as he was bullied and almost forced to commit suicide. He didn't do so in the end and discovered an app called "Arcana." Afterwards the mysterious figure from his imagination appears, and his imaginary world turns into reality.
[Batoto]

Official Webcomic

Haru has been in love with Soudai, his elder brother’s best friend, since he was a child. More than his brother, Haru chases after Soudai and even gets into the same club as him. He can’t be with him all the time, and if Soudai doesn’t look at him, he will feel worried but he can’t be honest at all.

Eventually, when Soudai becomes a university student, he leaves his hometown and he hasn’t contacted Haru once after that. He wants to forget Soudai but he can’t… Even though this love is painful but he can’t stop it―――?

Riku has been in love with Souta, his childhood friend, since the boy kissed him as a joke in middle school. He definitely doesn't intend to confess, content to stay by Souta's side as a friend. But Souta's behavior towards him changes after they spend the night out drinking. Riku can't remember what happened that night, and worries that he said too much...

Contains 3 pairings in total.

By Finger Scans:

The story revolves around four young people. After the death of the president of Sung Han Group, a very prominent group in the world, the heir was to be decided. In the midst of all the commotion, his biological granddaughter was discovered, Jung Hween-Lin, and brought to live in the main house. Though kind and softhearted at first, the money changed her and she became very spoiled and obsessed with her bodyguard, Han Jae-Ha. Han Jae-Ha was initially raised by the president to become the successor of Sung Han Group, but instead now he's become nothing more than a Jung Hween-Lin personal bodyguard and head of the security in Sung Han Group. In order to fully protect her he hires a policeman, Baek Suk-Ho, who despite his old age looks very young and fits in immediately in the high school that they are attending. He joined the police force so he could legally beat up people and doesn't care much about rules or the consequences his actions produce. On one of his missions he meets up with Yoon Lee Sem, a biker gang's leader, who with just a few sentences convinces him to destroy his police cars and makes a breakthrough. Almost causing him to lose his job because of that, he reluctantly accepts the mission to guard Jung Hween-Lin. He then meets up with Yoon Lee Sem once again at high school, who looks completely different from the last time he saw her, which makes him not recognize her at first and befriend her. She, too, becomes Jung Hween-Lin's bodyguard, for unknown reasons, and it seems that Han Jea-Ha and her known each other from before, which adds more to Baek Suk-Ho's suspicion about this whole mission.

Sakaguchi Ryou has a dark secret: he's a "fudanshi" -- a straight guy obsessed with BL. While he has trouble understanding why other guys don't find the same bliss he does from this unusual hobby, he'll be the first to admit how awkward and embarrassing it is to buy manga from the girls' section of the bookshop, or explain the world of boys' love, shipping wars and doujinshi circles to his "normal" best friend Nakamura.

Will Ryou find other fans to share his hobby with, or is he forever doomed to sit alone on his throne of BL romance?

Shinta likes to play with cats even though he cannot have one for a pet because of his father's allergies. Cats also like to play with Shinta... in more ways than one... including becoming Shinta's girlfriend and generally trying to get him to reciprocate their catcalls, literally.

Genshiken follows the lives of a group of college students drawn together by their shared hobbies, and the trials and adventures associated with being otaku.

Genshiken Nidaime ("Second Generation") is a continuation of the previous series, with chapter numbering starting at 56. In the Japanese edition, the first volume of Nidaime is numbered Volume 10, to continue from the end of the 9-volume Genshiken series. The US edition renumbers the volumes so that the "Second Season" starts with Volume 1.

As an anonymous erotic author, high-school student Mitsumaru Yahiro needs to keep his occupation a secret. If anyone were to find out, everyone would look at him as a pervert and his life would be over. Yahiro’s wish for his secret to remain unknown is reinforced when Kisaki Madoka, his crush, becomes disgusted when she saw his erotic series. Soon after, his work load increases and the publisher sends an assistant to help in the process. But the assistant turns out to be Madoka and, in fact, she is a giant fan of Yahiro’s work. She seems to be willing to do anything to keep working for him and it looks like the tables have turned for Yahiro.

Yui Kusanagi, is the daughter of a Shinto shrine. She discovers a mysterious sword, which transports her to a different world where she meets the Greek god Zeus. He invites her to attend a school in a separate world that he created. Zeus intends to teach the meaning of love to the various young divine beings who also attend the school, in an attempt to reverse the weakening bond between humans and the gods.

Note: The 3rd volume is an ebook only.