Gakuen: Chijoku no Zushiki

Masaki faces disinheritance by his wealthy father unless he can recover outstanding debts. To expedite the process, he targets the attractive daughters of the debtors. When monetary repayment proves impossible, he demands sexual compensation instead. The arrangement requires the young women to submit to his various carnal desires. Although little money is collected, Masaki finds himself gratified by the pleasured responses and escalating demands of the girls.