Masaru Saiki

While driving, the pregnant horror-movie actress Kyôko Harase and her fiancé are in a car crash. She loses her baby and her fiancé winds up in a coma. Kyôko was cursed together with a television crew when they shot a show in the haunted house where Kayako was brutally murdered by her husband years ago. While each member of the team dies or disappears, Kyôko is informed that she has a three-and-a-half-month-old fetus in her womb.

During the Edo period of Japan, out of the fear of losing authority, the Tokugawa shogunate hires the Shinsengumi to bring down the Imperial Court. However, the Satsuma Clan finds out about the Tokugawa's scheme and sends the last five Kunoichi (female ninjas) of Hiryu Ninja Clan, to spy on the Shinsengumi. Meanwhile, an evil skeletal demon is brought to life to murder the Kunoichi ninjas and destroy the world.

Upon rescuing a friend who is being held captive by a wicked classmate and his gang of bullies, 11-year-olds Tetsushi, Yuusuke, and Ryoji unexpectedly find themselves entwined in a supernatural battle against the forces of hell. Armed with courage, wit, and three magical charms given to them by a mysterious hermit, they set out to thwart the evil in a quest, which takes them to the depths of hell and brings them to a final battle with the god of death himself.

Mayumi and the other students are suspected of cheating and put in the torture room, where a device is waiting on them. However, this is all a ruse to make Kekko Kamen appear!

Based on the comic book series by Mio Murao.