Gouseiken Dai Sword" is a manga work by Yuichi Hasegawa. It is an adventure fantasy manga in which the main character, Ota Momochi, and 550 other junior high school students are transported from their school to a different world of swords and magic.

Won the Seiun Award in 2003.

A Follow up to the manga and anime. Contains an extra story as well as cast and staff profiles.

Wataru was put into a stasis pod in an attempt to survive a calamity, to be revived after 100 years. However, it’s been 300 years and the world he has been revived into is mostly ocean, and he’s been rescued by a group of beautiful women trying to survive in a hostile environment…

From FairGame: Egaki Takumi is a boy who loves drawing a manga, and on the first day of high school, he met a girl named Misono Tsubomi, who fell from sky while showing her underwear with bread on her mouth. It was like situation that given by a blessing from a god of manga, and she was a hope of amateur wrestling world and her nickname was "Danger Tsubomi".