Miyuki lost her mother early and lived with only her father. Miyuki's grandfather, the president of Kamishiro Construction, Genzo, passed away, and the Kamishiro family was shaken by the issue of succession. ...And then, the incident happened. A missing noblewoman. Imprisonment, loss of virginity, and torture training... The humiliation of a sad noblewoman who has fallen to the level of a hospitality slave.