ABP-500 Her older sister is a seductive girl who loves to have sex. Kashiwagi Ria.

Exclusive actress 'Kashi Riia' seduces her sister's boyfriend. As the time for her sister's part-time job approaches, she leaves him in the room while he is still asleep. When he wakes up and tries to leave, she forcibly detains him, starting her seduction! She brushes aside his desperate refusals and performs fellatio with techniques superior to her sister's! During work or while he sleeps, she stealthily presses her advances on him, enchanting him. One day, he is caught having sex with his sister-in-law by his girlfriend. To confirm his indecisive feelings, a physical battle for possession begins between the sisters…