At 36 years old, Choko finds herself engaging in a friends with benefits situation with her High School crush, Kazuki. Despite being twice divorced and raising a teenage daughter on her own, Choko is content with the arrangement as Kazuki shares her reluctance towards marriage and deeper commitments. The two agree to hook up whenever one of them desires it without any strings attached, however, the inevitable feelings and outside drama cannot be avoided and begin to threaten their agreement. Kazuki is employed as a doctor at a women's clinic.
