...er tongue against the smooth skin. Her sister's soft blue hair felt ticklish on the back of her neck.
"Hey, you wanna know something?" Nikita queried.
"Hmm?" Anita mumbled, still sucking.
"Before you came back in, Frida bet I couldn't bring her to an orgasm."
"Oh, did she now?" Anita asked, pulling away. She looked at Frida, who was staring at her with wide, directionless eyes. "You shouldn't doubt your sisters. Rather, you should trust them to know what they're doing." She sat upright and grabbed her little sister's tits more aggressively, rolling them this way and that. "Nikita," she commanded, "blow her to Kingdom Cum!"
"Do you- Do you really believe there is such a place?" Nikita asked with a hopeful look.
Anita turned around and smiled. A gleam flashed in her eye. "Only you hold the answer to that question." She turned back around and got lost in her work.
I believe in myself! the girl shouted in her mind. "Coming at you!" she said. She inserted a second finger into Frida's cunt, and felt the powerful, contracting response. This was its way of saying "Don't you stop anytime soon, ya hear?" Frida let out another huge moan, and now her eyes were open, and tears of pleasure, albeit unwanted pleasure, were rolling down her flushed cheeks. Hot, tight pants were coming from the gag.
"Little sister, you look so tensed," Anita said sorrowfully. "If you relax, you'll get more pleasu...