A butt that's bad at saying no. The beautiful buttocks of my neighbor's older sister make my rationality fly away, leading to a frenzied, continuous thrusting and ejaculation... Kashii Hanako PRED-309

I'm getting closer to my seemingly calm but alluring neighbor! Because I've lost my keys, I'm temporarily staying at her place. Seeing her voluptuous buttocks makes me lose all reason, and I end up thrusting into her...