Haha Sange
English title: Step MILF
Japanese title: 義母散華
Type: OVA
Source: Visual novel
Episodes: 2
Status: Finished Airing
Aired: Feb 12, 2010 to May 14, 2010
Duration: 26 min per ep
Rating: Rx - Hentai
Studios: Y.O.U.C
Producers: Digital Works
Genres: Hentai

Tomonori is a university student. His mother passed away two years ago, but his father, Seiichi, soon got remarried to Hanae. He now happily lives with Seiichi, Hanae, and Marie, Hanae's daughter. But one day, he gets to know the fact that Seiichi had been committing adultery with Hanae. "He betrayed my mother.... Ok, I'll destroy everything around him! I'll steal his wife first." His devotion to Hanae has got crooked and his revenge starts though he knows it'll put his family into misery and he'll never be able to turn back....

(Source: ErogeShop)