After diving for an ancient sword in the waters where the battle of Dan-no-ura was fought and the Heike clan fell, Tomona loses both his sig...

The homeroom class gets sucked through a wormhole into - you guessed it! - another world where they encounter a desolate environment dominat...

OVA bundled with the special edition of the manga's side story.

The story is set in the future on the planet named Amoi which is controlled by a supercomputer named Jupiter. Among the mostly male human po...