When college student Uyun meets Jinhyeong, a quiet and introverted teaching assistant, he immediately asks him out, stating he wants to get to know him better. After only three days of dating, Jinhyeong moves in with him, which is when he begins to reveal a completely different, wild side. His consumption of BL novels and comics has warped his perception of the perfect first time with his boyfriend. He has planned everything, from having sex on the subway to having Uyun role-play as a K-pop idol. But as strange as Jinhyeong's ideas are, Uyun doesn't entirely hate them...?