When a mysterious mist engulfs a futuristic metropolis, unleashing a deadly and elusive entity, a troubled young woman searches for her father. Her quest collides with an American GI on a harrowing odyssey to rescue his daughter from Hell.

Two men with opposite personalities, Kayashima and Uwajima, accidentally wander into a beautiful village after a car accident. When they wake up, they are imprisoned by six beautiful but strange girls who live in the village. Kayashima is at the mercy of the girls' instinctive behavior, but is gradually drawn to the pure beauty of girls, who are at one with nature. Uwajima is attracted to one attractive girl and steps into forbidden territory. The six girls were incarnations of catfish, pit vipers, owls, dormice, bees, plants, and other creatures of nature disguised as humans. What they wanted from the men...

Young, free and madly in love. As teenagers, the world was their oyster—but, as adults, their lives seem dimmer, like a very important piece is missing.

Hirayama is content with his life as a toilet cleaner in Tokyo. Outside of his structured routine, he cherishes music on cassette tapes, books, and taking photos of trees. Through unexpected encounters, he reflects on finding beauty in the world.