After two years of being dormant inside Tsutomu Senkawa, an accidental encounter with their old nemesis violently wakes Birdy up. With Birdy kicking evil's ass once again, the dark secrets of the experiments...

A side story that takes place in the period between volumes five and six of the original manga.

Note: This work is a substantial remake of Tokyo Jikan. In 1945, an atomic bomb was dropped on Tokyo. In 1989, the Shouwa era didn't end. When a doppelgänger appears and meets with his double, an explosion...

April 2014, Japan. It all starts with the High Energy Accelerator Research Organization that’s looking into the yet-unknown Exotic Star particle. A great war begins between two factions: the Enlightened, and...

From MangaHelpers: High-school girl Yui found a mysterious boy lying unconscious on the beach. This mysterious boy can't remember where he is from, only that his name is "Sid." After a confrontation with the...

A deadly virus is spreading across mankind, turning humans into gruesome monsters known as ‘Kanshu'. Yet no one knows of their existence, except for the organization called ‘F.L.A.G.', dedicated to hunting down...

A collection of short stories collected in three volumes. Volume 1 - ContinentVolume 2 - SpaceVolume 3 - Star Field

A spinoff of the author's other work, 81diver, based on the adventures of Kirino Shito as his alter-ego Zanguard.

Jin, a mysterious kid with a halo carved in his hand, and extraordinary fighting skills, lives with his grandfather in a beggar's community. In other place, the old scientist Amagi is searching for professor...