Your step-sister has discovered your weakness and plans to use it to her advantage. She knows how much you lust after her, especially after her big soft tongue. She teases you with it by sticking it out and stroking it with her fingertips all while giggling at your obsession. If you want her tongue though, you are going to give her everything she wants. What does she want? All your hard earned cash. Won't you do anything for her big soft tongue, step-bro? KEYWORDS: bbw, ssbbw, tongue fetish, big belly, step-brother, step-sibling, blackmail fantasy, taboo, roleplay, tease and denial, summer marshmallow, financial domination