"If you keep masturbating your nipples, they'll get hard as rocks!" Triggered by this lie from her brother, his innocent sister goes wild! Thinking it's bad if they get hard, she decides to "absorb" her brother's male hormones with her pussy! Having discovered the pleasure of raw sex, she's so obsessed that she keeps jackhammering him, completely ignoring his warnings of "I'm cumming!" or "I've already ejaculated inside!" She totally ignores the creampie, oblivious to the overflowing cum, and only accelerates her hip movements further!
