My sister-in-law's sadistic training, leading to pregnancy, imprisonment, and humiliation... 30 days in hell - Hayami Reimu APNS-159

Reimu, the heiress of a wealthy family in a certain prefecture, has already secured a place at university. Her private life is extremely affluent, and she is completely naive about the ways of the world. One day, Nakata, her father's former butler, attacks her after school…