Mom has been finding your cum all over the house... in your bed... Mom's friend even sat on your cum when she sat on the sofa! Mom is concerned about you, and is worried your horniness is going to get in the way of you passing your exams. So Mommy comes up with a plan... whenever you feel like you need to ejaculate - just do it inside Mommy! Mommy promises there's nothing wrong with it. And so... you take full advantage of your free use Mommy.