In the ruined house, a member of the rock band breaks a seal to shut Melon the witch. And then Melon murders the members of the band one after another.
At a Japanese school, a desperate student council struggles with a recurring problem. The aggressive and relentless members of the Yagyu biker gang stop by the school each semester to beat up the kids, steal their lunch money and vandalize their belongings. The kids want to fight back but realize they're too weak and undermanned against the bikers, and so they hire a handful of tough gals to train and defend them.
Momoko Watanabe—a student who, upon visiting a shrine in order to wish good luck on a friend of hers, witnesses a murder in the forest...and she knows the culprit! Unfortunately, she doesn't have it in her to tell anybody about it, and to make matters worse, said aforementioned friend gets accused of the murder.
A working class young man, Tetsuo, who distrusts all rich people, falls in love with a girl, Chika, from an affluent family. He has a difficult time, but love survives despite the problems.
In the middle of the 16th century, Hideyoshi, a power hungry warlord sets out to destroy the Momochi clan. He sends his war commander in search of the clan's hidden gold only to find that two daggers are the key to the hiding place of the treasured gold. Spanning decades, the quest for the missing daggers takes Shiranui through war and ancient tradition.