Mariko works at an entertainment agency. She is more curious than most people and loves sex, so this job is a true calling. Then one day, Shinji, the only son of a wealthy family, asks her to investigate his affair...
as Mariko
as Shinji
as Imai (Detective Agency Director)
as Emi (Shinji's stepmother)
as Midori (Shinji's wife)
as Makoto
as Takizawa (Shinji's father)
