The father of Shota, who runs an entertainment production company, decided to let 'Ruka,' who came to Tokyo dreaming of becoming a gravure idol, stay at their home for a while. Shota's heart pounded with excitement and anticipation at the thought of living together with a cute and busty older sister. One day, Shota was tasked with helping Ruka deal with her unwanted body hair. However, things suddenly took a lewd turn...
