Mature woman, 18 years old, seemingly quiet but actually a hidden slut with G-cup breasts, is open to all kinds of sex. (Usui Natsume, PKPD-433)

Natsume-chan is a serious and quiet girl who grew up in a wealthy family. She's a gentle student in the tea ceremony club, always engaging in peaceful conversations with her classmates. But underneath, she's a natural G-cup. She's actually a hidden slut who's open to half-hearted, half-external penetration without a condom…