Once she has completely donned your brother's protective gear, she approaches you with the pink can. You try to will yourself to run, but your body is frozen in fear of what's coming as she takes a firm hold of you. Can in hand, she aims it at your underside. You clench your eyes shut, bracing yourself for the inevitable.
With a sudden, hissing noise, you hear the spray leave the canister and feel the watery chemicals spray along your belly. Where it lands, it quickly soaks into your skin and leaves you with a tingling sensation. She sprays lower and lower until your sheath and balls are being drenched in the chemicals. They, too, become tingly, but soon also begin burning with a lusty warmth as she ceases spraying you and steps back to watch your transformation.
Overcome by curiosity, you open your eyes and roll onto your side to get a better look at the changes happening to you. Along your belly, rows of nipples appear, swelling ever so slightly and aching to be touched. Your gaze, though, quickly wanders lower to your now fully-exposed and hardened doggy dick. As moments pass, though, you see it slowly shrinking, receding back into its sheath, though you still feel your sexual need rising. Before long, your cock has shrunk to a nub and your balls, pulled taught against you, disintegrate into your body and, in their stead, a canal begins forming, full of new nerves and muscles desiring stimulation. Deep inside yourself, you feel organs shifting as what had once been your balls pushed deeper, forming your vaginal walls, your uterus, and, finally, your new and active ova. You whimpers at the prospect of losing your malehood soon become ones of desperate need as the burning sexual desire within you grows stronger still.
Unable to think straight, you follow your instincts and let your nose attempt to guide you to a source of relief. On the other side of the door, you can smell the musky male scent of Max and know that he can help to soothe the burning deep within you. You approach the closed bathroom door and, pawing desperately against it, whine and whimper, desiring to be near Max. Your girlfriend, laughing at your desperation, slips past you and opens the door. Suddenly...