Ranwa, a close friend of Yuko who came to Tokyo for sightseeing, is asked to help her son Daisuke with an image change. Ranwa, pondering how to turn the shy Daisuke into a confident extrovert, recalls the men's strip show she saw last night. Remembering the dancers' bold outfits and confident performances, Ranwa decides to make Daisuke wear the tiny bikini briefs she bought as a souvenir, attempting to force him out of his shell. However, watching Daisuke blush with embarrassment, Ranwa finds herself unable to suppress her growing desires.
