Sei Yariman Gakuen Enkou Nikki The Animation

聖ヤリマン学園援交日記 THE ANIMATION

Saiki Yasuo is a 45-year-old office worker. After 20 years of marriage, his wife asked for a divorce and left him. Now, depressed, he spends the nights drinking alone, until one night a girl from the St. Marian Academy approaches him looking for a client. (Source: VNDB)