Shin Sei Yariman Gakuen Enkou Nikki The Animation

Saiki Yasuo is a 45 years 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.

Alternative
Shin Sei Yariman Gakuen Enkou Nikki The Animation The New St. Screw School Compensated Dating Diary 新・聖ヤリマン学園援交日記 THE ANIMATION