Mizoroge Shouma, an easygoing and extroverted boy, once had it all: a guaranteed scholarship to his university of choice, a loyal group of friends, and a loving family. With a cute childhood friend by his side, his life seemed enviable. However, after a life-changing incident, everyone close to him either cut contact or suffered terrible accidents. What is happening to them? As Shouma seeks answers, he is drawn deeper into an irreversible path.