When a visitor from the future shows up at school and instigates a reign of terror, a small group of students must find a way to stop the horror from spreading.

Nana, a model student who serves as student council vice-president, and run-of-the-mill virginal high schooler Kaoru are childhood friends. They embark on regular S&M play dates in secret as a stress release for Nana. For spring break, Nana goes on a school trip to a power spot in Nagano planned by the student council. Kaoru joins her, and a change occurs in their feelings.

College life getting you down? Switch to Seika College where the students are getting a whole new lesson in sexual education! Michiru's clas ses were dull and boring until her classmates, Chie, Saori and Takeru, started taking extra classes at a new night school. Utilizing subliminal messaging, the school helps their students ace their daytime college exams. Unfortunately, the school's professor forgot to mention the process has a few sexual side effects... The next day Saori's in for the sexual education of a lifetime! Classmates begin masturbating, her professor is fondling the other students before her eyes, and Saori is getting so hot she's literally exploding! Then, on the way home, Chie finds her sexual appetite soaring. She'll take any man, or thing, that can relieve her inner burning desires! Can innocent Michiru uncover the truth behind the evil night school and the mysterious deaths of her friends before anyone else dies? Or is she fated to become another victim?

A crazy old woman steals what looks like all-butter shortbread from three statues wearing red hats. This causes an earthquake which releases ancient demon spores from a cave into a nearby pool of water. Unfortunately, this pool is precisely where a lesbian professor—part of a group of students and teachers who are spending a few days camping in the woods—decides to refill her water canteen. She accidentally ingests the spores, which causes the eruption of huge, thrashing, veiny, slime-covered tentacles that seek out new victims and enter the nearest orifice, thus allowing the demon to pass from host to host.

Kaoru is a 17-year-old virgin who has an SM fetish. He secretly dreams about an SM relationship with his childhood friend Nana. One day Kaoru's mom asks Nana to hide all his SM toys so he'll study for a change. However, Nana finds the leather one-piece that Kaoru bought and tries it on, but she accidentally locks it and doesn't have the key! The beginning of super strange relationship.

Based on renowned Japanese writer Natsume Soseki's same-titled short story collection, Ten Nights of Dreams brings ten fantastical dream sequences to film with great visual and psychological panache. Representing the combined efforts of eleven directors, this outstanding anthology delves into the surreal subconscious with ten madly imaginative, reality-subverting visions that range from wonderfully wacky to nightmarishly unsettling.