▽My brother, who was asked to become a nude model by his sister-in-law, who goes to art school, had no choice but to become a nude model.As it is with her sister-in-law ….But her older brother's girlfriend appears!The end of this love triangle... ▽My brother, who had no choice but to become a nude drawing model at the request of his sister-in-law who is an art student.While his sister-in-law is watching Ji Po up close, I get excited and become a gingin!It becomes a naughty atmosphere with my sister-in-law who is pleased with it, and it is close to incest!Just as I thought, my cohabiting brother's girlfriend appeared! ◆Aware of her sister-in-law, she is older than usual and approaches her more erotically, and her sister-in-law seduces her brother cutely by taking advantage of her. How will this triangular relationship end with my brother's feelings swaying between the two women?