Seika Jogakuin Kounin Sao Ojisan
Japanese title: 聖華女学院公認竿おじさん
Type: OVA
Episodes: 6
Source: Manga
Genres: Hentai
Studios: T-Rex
Producers: Lune-Pictures
Duration: 16 min per ep
Rating: Rx - Hentai

A middle-aged man who is trapped in a huge debt due to being the guarantee of his friend's failed business. He receives a high paying job offer from Seika School. Seika School is an elite school for girls, it educates girls to be elegant elite princesses and prohibits them from dating. But they couldn't stop the lust of the elite princesses. That's why Seika School provides a system by employing men to become gigolos to satisfy the unstoppable lust of elite princesses.

(Source: Nekopoi)