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 ...

On the outset, the Okunos seem like a normal happy family with father Tadashi and his two bright sons, genetics researcher Izumi and artsy Haru. ...