[GS-455] Horny big sister got super excited!! The air conditioner broke, so I was sleeping naked because it was hot, and the big sister next door came to check on me out of concern. Noticing it, I pretended to be asleep, but then she started touching and playing with my body, getting more and more excited!? My body was toyed with by the big sister, but it felt too good to be true, and I was rock hard! Ejaculation...