SONE-729 To protect my beloved little brother, I became an insatiable rich man's giant-titted meat toilet and fell into masochism for ten days Momoka Kagura

Momoka, who lost her parents and dropped out of school to raise her younger brother alone. However, her brother unwittingly applied for a black-market job and was being threatened by a semi-criminal group. When Momoka went to apologize with her brother, the leader, smitten by her beauty, proposed that if she became his lover for 10 days, all debts would be forgiven. Momoka accepted the demand... The leader's sex was rough, treating women as objects for sexual gratification in a sadistic manner... However, through a mix of rewards and punishments, and being handled roughly, Momoka gradually awakened as a masochist...