"Oh, my god--is that harmful?" your step-mother says into the phone, to the doctor from the Center for Very Rare Disorders. "Well, that's good...but you're sure about the treatment? And it has to be me?...No no, of course. Thank you doctor." See, you've been experiencing these episodes. Erectile episodes. Not just an erection, though--your cock turns into something totally different. It changes size, yeah, that's normal...but its shape changes, too! It becomes a massive cock. Seriously! Your step-mother tells you that the doctor called it "Massive Penism," and its one of the most severe cases she's ever seen. Your cock becomes long, huge, and practically painful, it throbs so much. Your step-mother tells you, with a strange look on her face, that the solution is manual release. Frequent manual release...what? Does that mean what you think it means? Well, I guess there's only one way to construe it, considering the lotion and handtowel she's brought into your room...