During the fight with Herb, Ranma is betrayed by Ryoga and Mousse who destroyed the unlocking kettle. Depressed, Ranma comes across a master of calligraphy who gives her a golden mark on her forehead that allows her to teleport and travel through time. Her first journey is just in time to save Yosho in his battle with Ryoko. As thanks he trains her for a while until she decides to go back home after a drunken wedding between them. (Tenchi Muyo Crossover.)