Out of the blue, childhood friend Takaoka confesses to Iwami! When popular playboy and ladies man Takaoka says "I love you", he doesn't believe it one bit. Is he making fun of the virgin!? A modern high-school boys' adolescent love development!

Tengen Toppa Gurren Lagann: Gurren Gakuen-Hen (Gurren School Edition) will feature the cast of Gainax's robot mecha anime in a school in a parallel world in multidimensional space. As the character Kamina puts it, the cast will "enjoy school life" and "sweat under the glittering sun." (Source: Anime News Network)

An anthology of Trinity Seven: 7-nin no Mahoutsukai by various mangaka.

Led by Daisuke Aramaki and Motoko Kusanagi, Section 9 deals with such crimes over the entire social spectrum, usually with success. However, when faced with a new A-level hacker nicknamed "The Laughing Man," the team is thrown into a dangerous cat and mouse game, following the hacker's trail as it leaves its mark on Japan.

Akamori Mitsuo wants to be an ordinary salaryman but... He is a genius murderer born into a family that has been practising the ancient art of killing for centuries. Akamori faces obstacles like Yakuza, fighters and gangs in the path that goes to his want. *Note: The manga was cancelled after the author passed away.*

“Aqua Eden” – a man-made floating island where gambling, sex trade, and thievery is allowed by the government. But there is one more thing that lurks in the streets of the island–Vampires. Mutsura Yuuto is working with one of them, and together with a few other members of their group, they fight to uphold morals on the island (Source: jCafe24)

Natsuyasumi-hen follows a variety of characters over their summer break between the Nine School Competition Arc and the Yokohama Disturbance Arc.

Kouga is a flawless high school girl. She is sweet, gentle, and beautiful. Mochida, her classmate, likens her to a Disney princess. The only oddity she displays is that she rarely takes off her mask. However, one day, Mochida sees her without it, and discovers that the Disney princess actually has a secret…

On the morning of New Year's Day, Kota, a rookie hotelier working at the luxurious "Babel" hotel in the city, sees the world collapse. Kota, who has lost everything he loves and is in despair, is given a mission. Find the terrorists hiding in "Babel" and avoid the tragedy of New Year's Day. The world has been turned back in time a week before, to Christmas Eve. With so many conflicting agendas, will Kota be able to fulfill his mission in the seven days he has been given? The fate of the world hangs on Kota's choice. (Source: Heros Web, translated)

Saeki Kanji, 32 years old and still single, is living in the Japanese countryside, which is in decline. After graduating from university with a degree in economics he took a job as a salary man in a leading company in Tokyo, but retired when he inherited the family farm in Miyama village when his parents passed on. He soon took to the life of a simple farmer. One day a beautiful woman wearing full body armor came to his door begging to stay the night. She claimed to be royalty from another world and is unable to return there. She ends up living with Kanji and helping out the local agriculture situation.

Fear runs rampant throughout Tokyo with the revelation that demons in fact exist amongst us. Paranoia and the darker side of humanity boils onto the streets as people turn on one another, suspecting that anyone could in fact be a demon hiding in human clothing. Amidst the growing tensions, tragedy strikes Akira causing his mind to snap, retreating into his subconscious, allowing his Devilish alter-ego Amon to break free from Akira's cage of flesh and wreak havoc on both human and demons alike.

Same plot as Amagami manga's but from diferent artist/authors.