Chapter 1958 Twins Sexual Feelings:>>10

"It's not really the sort of thing you see every day is it?" Kristin agreed. "Which is good because it's so much hotter when it has to be a secret."
"Yeah, what would be the fun having sex with your brother if everyone was doing it?" I added with only a small amount of sarcasm.
Kristin rolled her eyes but leaned in to suck the head of my cock into her mouth instead of responding. Between her hand and having someone watching us I'd gotten hard fairly quickly and it felt good to have my sister start getting serious about it instead of just playing with me.