That JAV

Yumi is married to a man with a son. Ryota, her husband's stepdaughter, has been in love with Yumi, her father's second marriage, since the first moment he saw her. After becoming aware of Yumi as the opposite sex, Ryota distances himself from her. Yumi, who wants to deepen her relationship with Ryota, takes more care of him... Ryota, a virgin, can't resist Yumi's sexuality and masturbates himself to licking Yumi's underwear. Yumi witnesses the scene with surprise and excitement. Yumi then whispers to Ryota in a gentle voice, "Do you want to know how an adult kisses? Yumi whispers to Ryota in a gentle voice, "Do you want to know how to kiss like an adult?