FSDSS-867 During summer vacation, I was alone with a mature older sister who came to repair the air conditioner, and my erection was found out while I was wearing scantily clad clothes and no bra, and I was made into a slut by a sweaty pile-driving c

When I was studying for an entrance exam at home in the summer, my air conditioner broke. - Since my room had a steam bath, I called a repairman, and a beautiful lady came. - I'm sweaty, braless, and can't study because of my erection. - I nod at the sweet temptation of my older sister, "Do you want me to pull you out?" and we have sex with sweaty butts in a hot room. - It felt so good I almost went crazy. - Partly because of the heat, we both couldn't stop getting horny and ejaculated over and over again. - It was a relationship until the repairs were completed...