Deadman wonderland

Middle schooler, Ganta Igarashi was framed for the murder of his classmates and sentenced to live in the deadly ruins of an amusement park known as "Deadman Wonderland" where insane criminals fight to the death. Senji is saved by Ganta as they battle Toto Sakigami. And when Senji causes a building to collapse, they assume Toto was crushed, but the truth may surprise them.