My fiance said he had no experience in the sex industry, but he had such amazing technique that I was completely suspicious of him and couldn't stop myself from masturbating. - Mahiro Ichiki

The movie revolves around the theme of relationships, trust, and intimacy. The main character, Mahiro Ichiki, is engaged to her fiancé, Zhenxun, but she becomes suspicious of his past experiences due to his impressive techniques in bed. As they navigate their relationship, they encounter various challenges, including meeting each other's families and dealing with misunderstandings. The central dramatic tension lies in the power dynamics and communication within their relationship.