[PPPE-429]

My Busty Younger Sister Took My Older Brother’s Provocation Seriously and Unknowingly Got Creampied While Fucking Me with Wild Pile-Driver Piston Thrusts Marina Yakuno

"If you keep playing with your nipples, they'll get hard as rocks." – An older brother's casual lie sends his naive younger sister into a frenzy. Worried that her nipples might harden, she decides to absorb her brother's male hormones through her vagina. Once she discovers how good raw sex feels, she goes wild with pile-driver thrusts, oblivious even when her brother screams, "I'm gonna cum!" and pleads, "I'm already cumming inside you!" She completely ignores the creampie, pays no mind to the overflowing sperm, and only speeds up her hip movements. Viewers will be glued to her innocent rampage.

The pile-driver piston thrusts in cowgirl position are superb. In this work, Marina Yakuno plays the younger sister role. Her older brother, Ken Murata, accidentally catches her engrossed in nipple masturbation. Murata warns her, "If you keep playing with your nipples, they'll get hard as rocks and eventually become useless." Taking his words seriously, Yakuno strokes Murata's penis while shouting, "It's already hard! I'm putting it in now!" She then inserts it into her vagina and rides him with fierce hip thrusts, tormenting Murata. The preceding scene of H-cup big tits used for a titjob is also highly arousing. Meanwhile, Murata attacks by pinching Yakuno's nipples. Yakuno's relentless, intense piston thrusts in cowgirl position continue. The play with bubbles in the bathroom is another highlight. Yakuno rides Murata in cowgirl position in the kitchen and living room, and the scene where she continues attacking him naked in the living room, culminating in a creampie, is particularly excellent. Overall, this work is themed around incest, with younger sister Yakuno attacking older brother Murata with fierce cowgirl piston thrusts.