After Kyosuke Matsuda is involved in a traumatic event he is sent to another world. In this new world, he discovers a power that allows him to live through a parrel version of events that will play out in the future, usually resulting in his gruesome death. His only goal in life is to achieve a happy ending. Kyosuke will be forced to make psychological decisions on whether or not he's ready to give up his life to save the ones he holds dearest to him. Even in a world where he can die and come back unscathed, it still won't help the traumatic and gruesome deaths that still linger in his head.