Ai Shimai 2: Futari no Kajitsu
English title: Immoral Sisters 2
Japanese title: 愛姉妹2 ～二人の果実～
Type: OVA
Episodes: 2
Source: Visual novel
Genres: Hentai
Studios: Actas
Producers: Pink Pineapple, Toshiba Entertainment
Duration: 32 min per ep
Rating: Rx - Hentai

Rumi and Tomoko's father has returned, but he seems to have developed an uncontrollable urge for Tomoko, after seeing her all grown up. He tries to fight off his urges, and Takedo, in order to keep the family together.

(Source: ANN)