HUNT-782+ [When my damn serious sister reveals her desires, she becomes super sexy!] When the elder sister who plays the role of a mother keeps nagging her younger sister, the younger sister who is in her rebellious period rebels! He brings a man over and starts having sex with his younger sister, deliberately making sure that her younger sister can hear. As soon as the elder sister hears it, she is seduced by the lewd voice, can't control her desire, and gets excited!