Enter Shampoo, the Gung-Ho Girl! I Put My Life in Your Hands
Gekiretsu Shojo Shanpu Tojo! Watashi Inochi Azukemasu
"Ranma and Akane are enjoying a parfait at the cafe when a beautiful young girl named Shampoo suddenly appears before them! Exclaiming "I kill Ranma!" she relentlessly chases him! " (source)