Futa Story: Not Measuring Up - Ft Siren Stacks

Description: You boot camp instructor is less than pleased with your performance. you're weak, you talk back... what exactly are you good for? you jest that you have a bigger dick than she does, not knowing she's a very well endowed futanari. she quickly puts you in your place, revealing her cock and how yours is very below average. to punish you for misbehaving you're going to have to swallow her cock, it's huge girth stretching your mouth until she cums. finally there is something you are good at.