Brother Yuichi notices that his girlfriend Mayu is a Dommist who loves being teased when he first sees her. He starts planning her training while looking at her gently. One day, Mayu accidentally spills tea on Yuichi's pants, making them dirty. She tries desperately to apologize but ends up cleaning his crotch area. Another time, after she comes to apologize again, Yuichi orders her rudely to stroke his penis gently. Note that the recording contents may vary depending on the distribution method.

弟の彼女の舞衣が一目見てイラマ好きなドM女だと見抜き調教を企てる兄の雄一。舞衣をじっと見つめ、これでもかという程優しく接する。ある日、雄一にお茶をこぼしてズボンを汚してしまう舞衣はとにかく必死に謝る。雄一はイタズラ命令口調で股間を拭かせる。別日、雄一に改めて謝罪に来た舞衣にいたずら口調で「優しくちんちんをさすってくれ」と命令させる。※ 配信方法によって収録内容が異なる場合があります。