Brother, younger brother, and their busty childhood sweetheart engage in a passionate love triangle, living together for four days straight. (SEX: Wing Dance FNS-164)

Two childhood friends, Mai and her brother, move into the home of two brothers who have always lived together harmoniously. The older and younger brothers have always liked Mai. Suddenly, the three of them begin living together. However, their relationship as adults cannot remain childlike forever. The older brother crosses boundaries, and the younger brother, witnessing everything, also has a relationship with Mai. To resolve the past love triangle, Mai proposes a threesome with the brothers. What starts as an awkward group play gradually becomes comfortable, and the relationship between the three deepens…