My older sister, who has always liked me when I was dating my playhood friend's sister, went crazy with jealousy and seduced no bra boobs Koyoi Konan

The movie revolves around Yuzuru, who is in a relationship with his childhood friend's sister, Satori's, friend. However, Satori has secretly harbored feelings for Yuzuru and becomes increasingly jealous, leading her to attempt to seduce him using her physical attributes. As the story progresses, it explores the complex emotions and relationships between the characters, delving into themes of desire, loyalty, and the blurring of boundaries.