When a wish is made on Shénlóng, Son Gokū finds himself transported from his own world to Jusenkyō, China. Falling right into Nyannīchuan — the Spring of Drowned Girl — Gokū takes the form of a girl. Cursed with from Jusenkyō's waters, Gokū meets a martial artist in a similar predicament; Saotome Ranma.

Ranma/Dragon Ball crossover. Ranma ends up in the world of Son Goku due to a training mishap.

Ranma-Dragonball, Only Human Prequel: Shadowy figures conspired to ruin Ranma's life, who they are has been revealed. But now we will see the consequences of their actions as Ranma has to cope with being totally lost even in his own mind.