Ranma and Ryoga's antics have destroyed the remaining Mushrooms of Time. Although Ryoga was able to change back to normal, Ranma is stuck as a six year old child with no immediate way of returning to his original age. Desperate for a cure, Ranma leaves Nerima in search of Dr. Tofu, only to suffer a tragic fate.

Mihari finally perfects the feminization drug, now all that she needs to do is figure out what age to make Mahiro when the "Onii-chan Rehabilitation Project" finally begins. After asking for help, she gets the answers she seeks, and in doing so an interesting fact about the creation of the drug is revealed.

After the mushrooms of time are destroyed without Ranma being restored to his rightful age the young boy has to flee for his life just to end up run over and killed by a truck after trying to save a kid. Is this really the end for our unfortunate hero?