While living in Tokyo, Genta's business failed... He was left with 20 million yen in debt. Genta's father, Mr. Tabuchi, agreed to shoulder all of his son's debts (2,000,000 yen) on the condition that he take over the Tabuchi Group... Genta, the foolish son, quit his unprofitable business in Tokyo and moved out of his house. He decided to take over the carpentry business and returned to his parents' home with his wife, Akemi. ...However, according to neighbors and his father's friends, his father was quite the pervert. Even after his mother died, he started playing around with women... and he was always very active with women. But now, that father! He had his sights set on my wife, Akimi... His son, Genta, had no idea about this. "I'll take Akemi's pussy... Got it, Genta?" The perverted old man's sex lesson begins.