The 7th CP Noir widow drama series featuring the popular 50's mature woman Shizuko Miyauchi as the main character! After passing fifty years of age, Shizuko, who knew the joy of a woman through an affair with her husband, has been more and more refined in her charm and beauty. At that point, her husband dies in his stomach after intense sexual intercourse with Shizuko. After her late husband's wake, Shizuko tells her son, Seigo, and sister, Nagarei, that the construction company she runs is on the verge of bankruptcy. Ryuri, who is also an aunt in order to somehow get Seigo, who is about to take university entrance exams, to enroll in a national school and reduce Shizuko's burden, consults with her high school homeroom teacher, and instead of letting him enter the back door, the teacher commits her at a love hotel.