"Bokusatsu Tenshi Dokuro-chan" focuses on the life of Sakura Kusakabe, a sophomore in high school who, twenty years from now, when trying to create a "world for pedophiles", achieved by stopping the science aging women after the age of twelve, but the side effect of also having created immortality, offends God .
Mitsukai Dokuro, a member of an order of angels murderers: Rurutie, has been sent from the future to kill him. The first season's opening theme is "Bokusatsu Tenshi Dokuro-chan", and the ending theme is "Survive", both sung by Saeko Chiba.