Tokyo Butei High school--- It was a special school where armed detectives, also known as "Butei" are being brought up. Tohyama Kinji is a sophomore student who has the unique body which activates a "super mode" when it was stimulated by "something". He tries to hide it to others in order to live a peaceful life. But trouble came to find him when he became a victim of a bombing incident, where he met the Butei high "Assault" department elite, Aria H. Kanzaki.

With the arrival of three chaebol members into general high schools, teachers and students will be transformed into " brain fighting " schools that seek power by surrendering to massive capital. Dan-geon, a genius, came to inherit the school's rules.

A new infection has spread around the planet, that turns people into undead. The story begins a few minutes before the first recorded case, and shows the struggle of six youths to survive this new world.

The story centers around a main character with a meddlesome personality whose father is a butler and whose mother is a maid, and who one day meets a rich young lady who cannot even change her own clothes, let alone know what do in the outside world.

"I love you! Let's get married!"
That is how Itou's first encounter with Naitou went on their first day of school. Since then, Naitou has been relentless; proposing to Itou at every opportunity and singing his love for her. But Itou is no obedient goodie-goodie to just sit back and let Naitou do as he pleases. Firing back with her own diatribes, she is determined to fight this out till the end.
A comedic tale of two twisted idiots and a boy's neverending pursuit to get his girl... even if that girl absolutely hates him.

The adventures of a lycanthropic high school boy and his classmate, who normally hates his guts but loves him when he becomes a doggo

The classmate you’re interested in is a slightly strange girl who wears a different wig every day to school!?

From Tokyopop:
Sergeant Keroro is the Captain of the Space Invasion Forces Special Advance Team of the 58th Planet of the Gamma Storm Cloud System, sent to the planet Pokopen (aka Earth) to collect intelligence for his planet's invasion force. He is also a frog. After his ship crash-lands in the planet earth, he takes shelter in the Hinata household, but the two kids, Fuyuki and Natsume, find him and take away his alien weapons. When his people discover that the Pokopenians are aware of him, Keroro is abandoned - left to fend for himself in this hostile world. But he's not alone - four other pre-invasion agents were are also lurking on Earth.

Note: Won the 50th Shogakukan Manga Award for children's manga in 2005.

First year Highschool boy Shin Yuki stumbles one day upon his naked childhood friend reenacting a sensual novel with an mannequin in an empty classroom.
Yukino Kurose, a third year student, loved to reeanact stories with Yuki's help from books when she was a child, to discover how the characters in the story felt.
This time she got herself a sensual novel and asks Yuki to help her out with her reenactment again. Otherwise she'll have to find someone else, because mannequins are not enough.
After a quick deliberation Yuki decided to help her out, because he doesn't want anyone else to see her naked.

Marie gets hired to be a maid. But not just any maid... A robot maid!? How will she get through her new life pretending to be an emotionless mechanical maid? A manga full of comedy and romance!

Starts with a one-shot, and has been officially serialized in LALA magazine.

Indigo island is a place like no other, to deter emigration and attract tourism they have become the 'sex' destination as residents are punished if they are not have having frequent sex! On this crazy island, Hitori Misaki is still at school and one of the rare virgins trying to keep her secret and find love in such a lewd environment! The manga is based on the adult game "Nukitashi - Is this island Utopia or Dystopia?" by Qruppo!

Kotori-kun, who falls in love with his classmate Hiiragi-san at first sight, somehow wants to get close to her. Hiiragi-san is quite an earnest and lovely girl, but… She’s surprisingly a little careless--! This is about the charming school life of a careless girl and a pure boy who gets led on everyday by her -- a romantic comedy that’s a wee bit H sometimes but warm and fluffy to death.

Based on the game by Age, spin-off of the Kimi ga Nozomu Eien game.

From Solaris-SVU:
Takeru and Sumika have been neighbors and friends since they were little, but when a mysterious girl arrives, and is found in bed with Takeru, their daily lives will be thrown into chaos.

Misato Takuma, who has a crush on a classmate, is suddenly kidnapped at the infirmary when he comes to have a second checkup. When he wakes up, he's strapped to a bed and forced to do "something" by a beautiful nurse he doesn't know! It's a mysterious hospital where men are locked in an isolation ward and managed by beautiful women! Where the hell are we? And what is the purpose of these beauties? And then the love game between a woman and a man with their lives on the line begins!

Aizawa Kakeru is an energetic and dedicated eighth grader who serves as the manager for his school’s football team. Though he was well known for being a talented player the previous year, an accident during one of his games caused Kakeru to vow never to play competitively again. Still passionate about the sport, Kakeru dreams of one day becoming a professional football trainer so that he can work alongside his older brother Suguru, the ace of the school team who has represented Japan in international competition.

4-koma manga about Tamaki Honda, a new high school student who joins a doujin game development circle.

Mankind discovered the essence of the human soul, Edeya, and were achieving materialization.

Society was built around Edeya, which was invulnerable to conventional weapons. Humanity started to place all their focus into the combat power of Edeya.

Park Jinsong, the main character, possessed an F-rank soul and F-rank combat power. After the introduction of a poor military program to his high school and the Edeya rank system, Park Jinsong became one of the weak, and suffered under his peers’ contempt for 10 years…

However, in reality, the Edeya he had awakened was actually the S-rank “Absolute Killing Intent”.

Park Jinsong was greatly disturbed by the fact that the essence of his soul revolved around the thought of killing others, and continued to live his life while thinking of himself as a worthless F-rank.

Will Park Jinsong, with a soul for killing, be able to get his killing intent under control and prove that there are no ranks to one’s soul?

Born the son of a mercenary in the war-torn north, Almark sets out on a long journey to the Nork Academy of Magic in the south to fulfill a promise he made to his father to become a sorcerer.

After a long journey, his life at the academy was completely different from the world he was in. Almark is always confused by the gap. However, while making mistakes, with the help of his colleagues and teachers, he gradually shows a glimpse of his talent.

With the pride of being the son of a mercenary, Almark takes the first step toward becoming a sorcerer.

There's an orphanage which trains its charges to be weapons of war, assassins specialized in magic. At this "school" Shiina has been having a difficult time coping with her roommate's death. She completely ignores rumours, including that of a supposedly impervious student by the name of "Mimi," who is thought to be even stronger than the teachers and isn't part of any group. While taking a breather, she encounters an overly cheerful young girl covered in blood, a they chat for a while before the child is hauled away by the school nurse. Shiina thought that they wouldn't meet again, but the next day, the girl transfers into her class and cheerfully introduces herself as Mimi.

Yugo Kurei is a high school student that loves tokusatsu hero shows. One day, he loses his life protecting a child from a street slasher, but he is reincarnated in another world as Yugo Clay, a character from a certain game. However, Yugo is the most disliked person in the school and is destined to die tragically... He was reincarnated as a villain, but with the new power of magic in his hands, he aims to become a hero!

"In this world, I can become the strongest hero!" A hero story of a tokusatsu otaku who rises from the bottom while crushing his doom flags!