For as long as she's been aware, the heroine, without a single relative, lived under the care of the state. Both of her parents' faces were unknown to her.

In front of this heroine, a boy appeared.

The boy's name was "Hikaru." It appeared that he was the heroine's twin brother, separated at birth. He had a proposal for the heroine: "Could you go to school in my place?"

The heroine was shocked by this crazy suggestion.

Furthermore this was an all-boys schoolthe only high school in the prefecture for delinquents.

Satoh Jubei, a pervert and fighting expert, has moved to a new home again started off his ridiculous school life with other interesting people. The first one he met was a girl called Ayako, who has unrealistic expectations in Tokyo life. They had some extra-ordinarily close body contact.

The series is full of ridiculous and perverted ideas. It also features some combat skills, traditional Judo vs open fighting.

From Transcendence:
High school student Asahi is forced to provide blood to a childlike vampire Hikato, and becomes his "temporary" mother, until he reverts to his original self. When Asahi finds out that Hikato stayed behind to protect the human world, how will her thoughts towards him change….!?

N/A

Atrable Federation is a military superpower that started the Endless War. After conquering many neighboring countries the Federation turns its attention to a small island country that is big only in name, the Great Empire of Sun.

Akiyama Maika is a girl seeking her father who went to war when she was little. Seeing the chance in the arrival of the legendary squad of mighty soldiers, Ikkitousentai, to a nearby city, she questions the military about her father's whereabouts. However, much to the girl's surprise her father appears not to be enlisted in the army. Maika, dejected by this news as well as savage city life, suddenly encounters a burly man falling from the sky. The bystanders name him the Invincible Wolf, one of the Ikkitousentai, and it seems like he knows something about Maika's father! Unfortunately, he isn't willing to tell anything to a civilian.

Maika decides to enlist in the Ikkitousentai in order to find her father. Even though the army doesn't accept women, such a thing won't stop Maika!

When Kanade was very young, she went to a ballet performance of her neighbor, Risa, and was overwhelmed by her amazing dancing. She decided then and there that she wanted to dance like Risa, and her parents agreed to let her take ballet lessons. Ballet is much harder than Risa's beautiful dancing may have led her to believe, but Kanade is determined to endure and become a wonderful ballerina.

Rola who had received special education to be a swordsman from her A-Rank adventurer father since a young age, enters the Royal Capital's Adventurer's school at the age of 9. Rola filled with expectation in her heart in hopes to make many swordsman friends. At the day of the entrance ceremony, Rola's sword aptitude value was measured at 107. Between normal students whose aptitude value is around 50-60, Rola was definitely a sword genius, but the magic aptitude that was measured after that was 9999. Rola was stunned, and while she didn't know what was even happening she was transferred to the Magic Department.

Contrary to Rola's will, she exerts her super-genius, and instantly becomes stronger than anyone in the school.

Tokyo Swordia, formerly known as Tokyo Metropolitan, has been ruled by the "Swordie" since the Third World War 70 years ago. These Swordie, natural-born swordswomen with an attraction to blades, more or less rule the country, and are considered upper-class members of society.

In order to raise his own social status, Kurou, a human, begins attending an academy of swordsmanship, surrounding himself with Swordies on a daily basis. How will he fare in combat against those born to fight?

54 AD. Cestvs, a young boy and member of the lowest social class, is placed into a training school for slave-boxers. It is here that he begins his journey to defy fate and survive.

A high school boy named Kōichi Madanbashi who has Hi-ERo particles, the power source to operate the robotic weapon Daimidaler. With the help of Kyōko Sonan from the mysterious Prince Beauty Parlor organization, he stands up against the Penguin Empire that troubles humanity.

From MangaHelpers:
A sequel to Kenzen Robo Daimidaler, this once again features the high schooler Koichi Madanbashi. Koichi possesses "Hi-Ero" particles, which are powered up by groping women, and he is particularly fond of groping women's breasts. He pilots a robot to fight the Penguin Empire's killer penguin robots.

From Karma Falls Scanslations:

Because of a frightening experience three years ago, the boy Sata Senda became a compulsive cleanliness freak. As he has anti-bacterial spray and mask as standard equipment and doesn’t allow any form of close contact, he has no friends… Thus came the summer of sixth grade. Sata, who has been half forced to participate in the school trip, arrives to the meeting place completely wrapped in a protective suit?!

Years after the country defeat and occupation period, Japan is still recovering. Although they are on the road back to mass industrialization and prosperity, strong handed economic and political policies have turned many areas into dilapidated slums. Anarchists and anti-government student protesters have taken up arms, stirring up violent social revolution riots. In order to combat this growing threat, the Japanese government has nationalized a division of the police, creating the Capital Police Organization (CAPO). The CAPO consists of hard-trained panzer troopers carrying heavy firearms and wearing special armor suits called Protect Gear, this specialized unit is feared by anti-government groups, criminals and civilians alike.

Note: Loosely adapted into the anime movie Jin-Roh: The Wolf Brigade in 1999 which is also written by Mamoru Oshii.

From Antisense Scanslations:

Mimori is the princess of the frog kingdom, a fantastical place populated by the human frog tribe and, well... frogs. One day a young boy named Aoi shows up on the borders of the kingdom, claiming that Mimori's elder brother Makaeru cast a spell on him that causes him to transform into a frog when splashed with water. Together, Mimori and Aoi set out on a journey to find a spell to cure him. (And things only get weirder from here on out.)

A frog meets an alien spaceship and ventures to the stars.

A oneshot from Garo 1998-08.

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.

Kazan and his Grandpa are on a journey! Kazan inherited his Keshin, Enma, from his grandfather Iwan and is determined to rid the world of all evil Keshin users. The evil group Aguru, was just that. They're collecting Keshin in order to take over the world, and Kazan is determined to stop it! Watch him collect friends along his way to defeat Aguru!

N/A