"You're watching a movie with your girlfriend of a few months at her place. Every time you make a move, even to wrap an arm around her shoulders, she grunts and gives you a side eyed look. Even your friends have noticed, some saying it's a red flag, but you haven't listened. Still, you suspect she might be cheating."

"You see she's fallen asleep, get phone firmly in hand. No way to check it then. You hear a nose and turn around on the couch."

"Pssst..." "You turn and see your girlfriend's sister, Liz. She's tall and athletic at 5'8", a basketball player at her school, but has E-cup tits and a huge ass too. Tanned skin from being outside, red hair, yellow eyes. The opposite of your girlfriend, basically, who was petite, short, black haired, and fair skinned."

"...speaking of her tits, she's flashing hers at you and winking, her tan lines adding to the eroticisn, beckoning with her fingers for you to follow..."