Neko is a girl Kitaro is in love with. Neko dreams of becoming a singer. Kitaro will do his best to make it happen. With the support of Trump Omoi, she quickly becomes a celebrity. However, someone releases a rat onto her stage.

Kitaro's first love, Neko, is dead. Kitaro is devastated and tries to go to Hell to see her, but someone steals his chanchanko. The culprit is the fake Kitaro. The fake Kitaro walks around Hell with the chanchanko and plots with Nezumi-Otoko to obtain a large sum of money. Kitaro's father, Medama-Oyaji goes to hell and tries to bring Neko back.

Kitaro insults the Water God, who is worshipped as a deity. The Water God follows Kitaro to Tokyo and throws modern society into panic. Furthermore, since the Water God is "water," Kitaro doesn't know where he is hiding. He is helpless.

A mysterious gentleman and a mouseman are in love with a toad lady. Kitaro interferes in their love story and is sunk to the bottom of the sea by the two men. Kitaro dies. However, that night, a package from Kitaro arrives with a curse. But where did it come from? That's when the ghost train starts moving.