16 year old Shidou Itsuka is a seemingly average high school student who lives with his younger sister, Kotori, in a world where 30 years ago a massive space quake occurred, resulting in the deaths of 150 million. He has gotten used to living in a world where he has to be constantly fearful for his life and the life of his dear sister, never knowing when it will be their last day.
Boy Is Forced To Date All Spirit Girls From His Universe To Save The World
