Your sis Delilah Dee just lost every single game you played against her. She confessed she's terrible at shooter games, but you, being the cunning little brother, knew better. You used it as an excuse to get her out of her clothes. Now she's sitting on her leather gamer chair, her ample breasts spilling out, feeling all hot and bothered, ready to straddle you and ride you hard. She's so turned on that she begs you to fill her up and make her yours, urging you to pump her full of your seed until she's dripping with your essence.