I temporarily stayed at a friend's house while preparing for my new life. While sleeping in a traditional Japanese room, his younger sister sneaked under my futon every night, seductively whispering, "Hey, let's have sex." Even if I tried to resist, her plump, soft body and the tender feel of her big tits against my groin made me inevitably aroused. She aggressively grinded her hips, thrusting deep and hard, climaxing repeatedly with a shameless, depraved attitude. I ended up flooding her tight, inexperienced pussy with a massive creampie.