There was a fire twenty years ago, the time manipulator returned to campus with revenge, and the King of the Underworld was waiting to wake up. Roommates with different agendas, things developing completely beyond common sense, unexpected endings, intertwined and parallel destinies... Well, actually, this is a ghost story on campus. It happened in dormitory 114 of the medical school. Four boys helped each other and were suspicious of each other. The seemingly ordinary freshman Sasakiyoshi, a series of extraordinary stories happened around him. Hell, time and space chaos, the King of the Underworld, and a series of conspiracies gradually pulled him away from the ordinary life track. And in a series of events, he gradually develops different feelings for his roommates, how will he deal with this relationship, and what are the feelings of his roommates with complicated identities...