A young Taiwanese assassin codenamed "Glass Heart" committed suicide by jumping off a building, and her heart was pierced by a metal fence. Miraculously, her life was saved by heart transplantation. During her...

By all counts, Ryouta Sakamoto is a loser when he's not holed up in his room, bombing things into oblivion in his favorite online action RPG. But his very own uneventful life is blown to pieces when he's...

In ancient times, Satan was defeated by the gods in the War of Armageddon and was sealed away deep within the earth. But in the modern day, Satan once again aims to control all the universe - and towards this...

Yosuke Ejima was gravely injured in a bus hijacking incident involving the mafia. He inherited the power of the Aztec priests to “rip hearts out” and resurrected as a special A-class assassin. By using this...

Yozo Oba is a troubled soul incapable of revealing his true self to others. A weak constitution and the lingering trauma from some abuse administered by a relative forces him to uphold a facade of hollow...