Mai, whose boyfriend is noticeably self-centered, goes on her first business trip since joining the company. Afterwards, she is forced to drink at a drinking party, which is called a reflection meeting, and ends up getting drunk. When she wakes up, she is alone in a room with her boss... With no way to escape, Mai is unable to resist her boss' advances, as she is drunk, and gives in to him. Mai, who was troubled by her self-centered boyfriend's sex, feels a pleasure she has never felt before as they make love again and again, and before Kokoro, she finds herself drawn to her boss...