You can try to deny your fetish all you want because you're embarrassed, but Willow has noticed you and what you're interested in. You are always staring at her pits in the gym, trying to get close and now she has you all alone. Willow teases you with her armpits, telling you to smell and taste them and sure enough you get hard. Willow knew she was right, and since you like it so much she gives you more of her under arms. Stroke while your all alone with Willow and fixated on her pits, Willow won't tell anyone, just don't get caught!