Yuriko Yoshitaka

Summoned by the black sphere, Kei and Masaru fight against extraterrestrials until Masaru grows tired of fighting and refuses to continue.

After trying to rescue a man on the subway tracks, two teens wake up in a room dominated by a mysterious black sphere that sends them to hunt ...

Kaiji Ito moves to Japan after graduating from high school. Unable to find a job and frustrated with society at large, Kaiji spends his days ...