Trump Omoi, a singer who meets Mizuki by chance, learns of the existence of a sinister child named Kitaro. One night, Nezumi-otoko plants the seeds of a vampire tree in Omoi. Omoi's frightened body gradually turns into a tree.

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.