(Urban martial arts + suspense + no harem + no system + wits) When the Milky Way, which carries all cause and effect, hangs upside down, I return to the beginning of everything. After being expelled from school, he rented a haunted house, but encountered strange rules, an executioner who appeared out of thin air, and abnormal doors. After asking for help, "That house no longer exists? So what did I live in?" And behind all this, who is manipulating the direction of the script?