JUFE-250 Incest with my older sister

Eimi is a swimsuit model. She had a few days off so she decided to go home to visit her parents. She also met Satoshi again, but he seemed to have something to say. When she asked, she found out that because she was a swimsuit model, he was often teased by his friends, and until now he still didn't have a girlfriend. In order to let his younger brother know what lovemaking is, Eimi intended to tell his younger brother how to make love, but Eimi's body and beauty made him unable to restrain himself. He pressed her down and forced her to "practice" with him...