For three years, Daiki has had various nightmares. In these nightmares are of various monsters, creatures and highly distorted places and events that took place in the young man's life. Likewise. Daiki in his nightmares sees a man who looks a lot like him, but his face is badly distorted and his clothes are stained with black slime. This man tries in every way to harm the guy, and in some cases, and sometimes kills them, after which he wakes up very frightened.
Nightmares strongly affect Daiki's daily life. He not only suffers from insomnia because he doesn't sleep enough, but those around him began to notice changes in his behavior...
At one point, Daiki falls asleep and never wakes up again...
