Ichika decided to marry for political reasons in order to keep the family alive. There was an old tradition in the other party's house, and it was to spend a week alone with the husband before marriage. "It's my role to be embraced by my lascivious father-in-law in name only ...", she was determined. However, my father-in-law's request exceeded his imagination. Ropes, candles, and repeated humiliation ..., the mind and body are developed by repeated training, and gradually Ichika ...