In an era where romance between hybrids and humans is taboo, Kang Seok-won finds himself crammed into an overcrowded subway on his way home from work. There, he keeps brushing against a large-built young man...

Looking to get laid, the main character tries calling for an escort service specializing in incubi and succubi. An incubus turns up assuming he would top, but what happens when the main character realizes his...