Jokei Kazoku: Inbou
English title: The Immorals
Japanese title: 女系家族 ～淫謀～
Alternative titles: Jokei Kazoku ~Inbou~, Feminine Family
Type: OVA
Source: Visual novel
Episodes: 2
Status: Finished Airing
Aired: Aug 25, 2006 to Oct 25, 2006
Duration: 29 min per ep
Rating: Rx - Hentai
Studios: T-Rex
Producers: Milky Animation Label, MS Pictures
Licensors: Kitty Media
Genres: Hentai

An evil politician Arimori Kamoshige have been a local governor for 40 years,. Abusing his power, he has gained wealth and women. The protagonist’s father has managed Arimori’s black money as a right hand person, but later, he was expelled being charged false crime. He got discouraged and called his runaway son, Tatsuya. He asked Tatsuya his revenge on Kamoshige. Soon his father died, and Kamoshige hired Tatsuya as the third secretary. However, Kamo also died 3 months later. Just before his death, he changed the pass code of a safebox which hidden black money was in. Then, the power balance of Arimori Family changed. The person who obtains the hidden money will get become the next ruler. While Arimori Family is conflict for the hidden money, Tatsuya begins his revenge.

(Source: AniDB)