Sei Yariman Gakuen Enkou Nikki The Animation  

Holy Yariman Academy Compensated Dating Diaries, Saint Slut Academy Dating Diary, 성 야리망학원 ~원교일기~, 聖ヤリマン学園援交日記 THE ANIMATION, Sei Yariman Gakuen Enkou Nikki

Saiki Yasuo is a 45-year-old office worker who has been married to his wife for 20 years. However, after their marriage, she requested a divorce and left him feeling downcast. In an attempt to cope with the pain of losing her, he began drinking alone at night. That was until one evening when a young woman from St. Marian Academy approached him seeking assistance as a client.