Spring has finally arrived in Moomin Valley, giving way to another great adventure for Moomintroll and the rest of its inhabitants. With Snufkin coming home from his winter migration, the locals of the valley finally begin to rise from their hibernation. Finding a mysterious hat, the Moomins cannot bring themselves to throw it away due to its fine quality, instead hoping to eventually find its owner. While playing games with his friends, Moomin tries to hide in the silk hat. When his friends come looking for him, they are shocked to discover that Moomin has transformed into a hideous creature. Examining himself in the mirror, he is disgusted to find himself completely unrecognizable. Transforming back to normal after scaring his friends and family, Moomin and Snufkin decide to toss the hat in the river. As it drifts away, they begin to wonder who the hat belonged to and whether its owner will return for their lost possession.

All is well at the Tendo residence when from out of nowhere, a Chinese girl named Lychee appears, seeking revenge on Happosai for a broken promise made since her birth. Things get worse when Kirin and the Seven Lucky Gods appear and abduct Akane to take as his wife. Ranma and the gang must travel to Nekonron, China, and save Akane from getting married to Kirin.

A renegade scientist in San Francisco has found a way to create a new creature called a Neo-Aragami without the power of Susanoo. When these monsters start to terrorize California, the U.S. turns to the old members of the Terrestrial Administration Center (TAC) for help. (Source: ANN)

Under the guidance of Tang Zichen, a master of martial arts, Wang Chao, a frail young man with a strong sense of justice, embarks on the road of traditional martial arts and goes all the way to surpass himself. He experienced the spirit of martial arts practitioners who use martial arts to stop stances and convince people with morality, and also carry forward traditional martial arts and promote righteousness.