Ryuuiichi Sugihara is a regular high-school boy who discovers a mobile game called Karman Gain, a game with the power to alter reality by giving up life points. He soon learns the consequences of running out of life points and gets entangled deeper in Karman Gain.

Georg and Riselotte are not your typical brother and sister, the former’s a priest and the latter’s “alive” by way of…darker methods. As a result, Rise is stuck in a child-like body. Georg immerses himself in research to free Rise from these chains.