Akari Natsuki, a beautiful and well-respected person who is at the top of her class and the school idol, and Katsu Nagano, an average guy who likes playing games and watching live streams, likes going to the gym but doesn't have many friends, are two complete opposite personalities. However, one day Katsu finds the school princess in danger, resulting in him saving her. Soon, Katsu finds out something about the school princess that leaves him speechless.