OVA Seika Jogakuin Koutoubu Kounin Sao Oji-san / Uncle Got a Job at Seika Private Girls' Academy

"After my friend's business went bankrupt, he disappeared without a trace, and since I was the guarantor for his loans, his debts were transferred to me... Now I have a huge debt, and I can't tell my family about it. I was incredibly depressed, crushed by despair. Then I learned about an unusual job with a huge salary. There is a girls' academy, Seika, where the offspring of the richest and most successful people in Japan study. And it has an internal system that no one knows about. Noble young ladies are not allowed to have relationships, but what is the will of hardened prudes against sexual maturation? For those most dissatisfied with their situation, the academy has a system of selecting men for students for, so to speak, recreational purposes. I had too many debts to miss such a chance, and I took this job. The age of the girls I have to fuck is not much different from the age of my daughter, and that's a bit unsettling. They are too promiscuous for their age..."