The funny daily life of the Demon Lord and the time-travelling girl. The Demon Lord loves the heroine very much and cannot leave her. In this book, the hero always feels that the heroine wants to run away, so he feels insecure. He is very paranoid and yandere, and he is very good at pretending. He looks docile on the surface, thinking that the heroine likes his obedient appearance. The heroine Ben who lives across the house does not mean to be a loser, a person born from the earth, and she knows that the male protagonist is a white and black man, but she will cooperate with the acting