Non, the fiancee of Yu, the eldest son of a 100-year-old confectionery shop, is about to marry into a prestigious family. Her strict father must approve of her. Non, who is beautiful, healthy, and pure, seems to be the ideal bride... However, she secretly harbors another identity as "Rin-chan," a legendary call girl who has been ranked No. 1 for three consecutive years. This secret must never be revealed. She emphasizes her chastity and refuses to have sex before marriage, teasing Yu relentlessly... However, Rin-chan (Non), who is both popular and skilled, unknowingly displays her exceptional skills. Yu begins to suspect Non. Meanwhile, her father also hires a private investigator to look into her background... What will happen next?
