Based on a doujin game by Orcsoft. 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. [](http://fapforfunblog.blogspot.com/2014/07/shin-sei-yariman-gakuen-enkou-nikki.html)