The Sato family is a family of three, the only daughter Minami, father Toshio and mother Shinobu. At first glance, the Sato family looks like a normal family, but they have a big secret that they cannot tell their neighbors. Namely, Toshio is an intelligence worker, Shinobu is a sniper, and Minami is a pseudo-family with no blood connection who infiltrated Japan as a spy who excels in martial arts. (Source: dsdramas.info)