Haitokuzuma
English title: Insatiable
Japanese title: 背徳妻
Type: OVA
Episodes: 2
Source: Manga
Genres: Hentai
Studios: Sunny Side Up
Producers: Milky Animation Label, MS Pictures
Duration: 28 min per ep
Rating: Rx - Hentai

Natsumi lives the life of a happy housewife. She however lived on the edge in the past meeting many people and therefore experienced a dark chapter in her life. She has worked hard to forget her dark past but her mind and body will not allow her to do so completely. She has done a good job of controlling herself until one day her husband brought a friend over to the house and that particular friend happened to be someone that she had a fling with during her wilder, darker days. The lust that was caged for so long has now broken free...

(Source: Japananime.com)