Because of an admission letter, Su Mu, who had stayed away from the theory of ghosts and gods since childhood, accidentally entered the mysterious monster school and moved into a dormitory called "Shanhaiju". Here there is a headless girl who is cold on the outside and hot on the inside, as well as a horned devil with a cheerful personality; a lazy little witch is fast asleep on the computer table, with scrolling barrage on the dimly glowing curved screen; a gentle and slow unicorn girl is wagging her furry fluffy tail and taking care of her yard leisurely. Facing four non-human roommates, Su Mu Alexander. With tears in his eyes, he secretly swore: He must escape!
