Deadman Wonderland

Deadman Wonderland (2011) is a action & adventure, animation, sci-fi & fantasy with 1 season, rated 7.5/10.

Ganta is the only survivor after a mysterious man in red slaughters a classroom full of teenagers. He's framed for the carnage, sentenced to die, and locked away in the most twisted prison ever built: Deadman Wonderland. And then it gets worse.