Literally, the next step is that the nosy stepsister comes in and catch you cheating in this NSFW interactive porn game

Yours stepsister has caught you cheating? It’s a cliché, but she cannot help but go in for the trap. Come participate in this game where she will unveil the kinks, with this sultry Gostosa. Climb through Contests, flirting, and Crazy Sexy Nights.