Mahiro is engaged to Yuzuru, the eldest son of a kimono shop that has been in business for 150 years. To marry into a distinguished and distinguished family, she must get the approval of her strict father. Beautiful, brave and pure, Mahiro is the ideal bride...or so she should be... But in fact, she has another face as the legendary prostitute "Licca-chan," who has been ranked number one for two consecutive years. This must never be revealed. She appeals to her chastity and does not allow sex until marriage, even to the brink... But the battle-hardened Licca-chan (Mahiro) is unaware He shows off his amazing technique. Yuzuru has doubts about Mahiro. And his father hires a detective to investigate Mahiro's background... What will he do?