A story about a brother. The second son, Yasuhiro Yagi, and his mother, Azusa Yagi, are living with their older sister, Yuko Ishibashi, because their house is being remodeled. He is renting a room from his cousin, Tatsuo Ishibashi, who goes to a university in Tokyo and lives alone. Her mother may be aware that she is still living on rent, but she does her best to do the housework without taking a break. And, while looking at his mother like that, Yasuhiro finally noticed... And Yohei Yagi, the eldest son of an elite office worker who spends his days busy, also noticed... That my mother is ridiculously beautiful ass! !
