* Based on the erotic game by http://anidb.net/cr931 [Silkys].
An evil politician http://anidb.net/ch29853 [Arimiya Kamoshige] has been a local governor for 40 years. Abusing his power he has gained wealth and women. The protagonists father has managed Arimiyas black money as a right hand person but later he was expelled being charged false crime. He got discouraged and called his runaway son http://anidb.net/ch29842 [Tatsuya]. He asked Tatsuya to take 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 passcode of a safebox which contains hidden black money. Then the power balance of Arimiya Family changed. The person who obtains the hidden money will become the next ruler. While Arimiya Family is in conflict for the hidden money Tatsuya begins his revenge.