My sister is plain-looking, but when she takes off her glasses, she's an absolute beauty. It's irresistible to get close to her. [The following appears to be unrelated and possibly spam:] Unprotected sex, bare buttocks rubbing, unprotected penetration, and I ejaculated for the first time. [The following appears to be unrelated and possibly spam:] Shiraishi Momo ROYD-209

The unremarkable stepsister, ignored by everyone, transformed into a stunning beauty at her brother's suggestion! As she learned makeup and grew increasingly beautiful, her brother couldn't resist confessing his feelings, but she refused because they were "siblings"... "Even without penetration, just a little friction is enough..." They agreed to only do bare buttocks, but... her vagina was too slippery, so they penetrated directly! She wanted to refuse, but they had already crossed the line; the young man's lust couldn't be contained, and he ejaculated inside her. Afterwards, they continued...