Two sisters move to the country with their father in order to be closer to their hospitalized mother, and discover the surrounding trees are inhabited by Totoros, magical spirits of the forest. When the youngest runs away from home, the older sister seeks help from the spirits to find her.

The seventh entry in the Toei Fushigi Comedy Series. Hiroshi, Satoru, Susumu, Takeo, and Yasuko are five unique children who have different talents, such as being skilled at computers, being an expert at throwing stars, and excelling in studies and sports. The leader of this group, Hiroshi, creates a fictional character, the phantom Matenrou on his computer. When the five children shoot a video about this phantom and play it in their school, a small problem emerges. That evening, when Hiroshi finds that his precious computer is gone, Matenro, who is real appears before him and his friends said “If you want your computer back, accept my challenge,” Accepting the challenge, the children decides to form their own detective squad, “Hard Gumi" to catch Matenro.

Karin has lived alone in a secluded mountain village with her consumptive mother since her father died. Her worried grandfather advises her to send her mother to a sanatorium and be adopted by him, although she refuses to accept. On the Buddhist All Soul’s Day Festival in August, a messenger from her grandfather pays a sudden visit to her house.