OVA Tsuma ga Kirei ni Natta Wake / That's why the wife became prettier

Hentai "OVA Tsuma ga Kirei ni Natta Wake" is based on the visual novel of the same name from Orcsoft studio released in April 2017. 

The main character of the hentai has been living a carefree family life for several years and nothing bothers him. However, in recent days he began to notice that his dear wife has become too "beautiful" and this strange feeling of anxiety did not give him peace. He decided to hire a private detective and follow his wife. Soon the detective brings bad news and provides material that proves cheating...