In a world where “espers” are treated so badly that they are called “monsters,” Seung-won, a class B esper, is unjustly accused of sexual harassment by the prodigal son of a tycoon family and demoted. Seung-won, who has to take care of his mother and sister, is forced to accept a job as a bodyguard for an “S-class guide” during his suspension period. However, the target of his protection, S-class guide Jin-ho, is a “rich kid” whom Seung-won detests, as well as a moody young man who hates physical contact. Furthermore, Jin-ho, who persistently harasses Seung-won, seems to have something against him. However, Seung-won does not give up easily, and in the end, the two end up confronting each other. Unintentionally, they end up taking a guided tour together, and the feeling is anything but normal. Jin-ho, thinking that Seung-won might be useful to him, presents him with a “contract.” Thus, even though they detest each other, the two end up becoming very close. But after that, Seung-won begins to have strange dreams in which a person very similar to Jin-ho appears...