Waruboro (2007)

Only three days before their high school festival, guitarist Kei, drummer Kyoko, and bassist Nozomi are forced to recruit a new lead vocalist for their band. They choose Korean exchange student Son, though her comprehension of Japanese is a bit rough! It's a race against time as the group struggles to learn three songs for the festival's rock concert—including a classic '80s song by the Japanese punk rock band The Blue Hearts called "Linda Linda".

Young Kid has been invited to a party at his friend Play's house. But after a fight at school, Kid's father grounds him. None the less, Kid sneaks out when his father falls asleep. But Kid doesn't know that three of the thugs at school have decided to give him a lesson in behavior.

Their first week of high school. The biggest party of the year. Mistakes will be made as four teenage boys navigate a night of mayhem and debauchery.

Genji and his victorious G.P.S. alliance find themselves facing down a new challenge by the students of Hosen Academy, feared by everyone as 'The Army of Killers.' The two schools, in fact, have a history of bad blood between them. And the simmering embers of hatred are about to flare up again, burning away any last remnants of the truce they had so rigorously observed until now.

Nerdy high schooler Jerry Mitchell is assigned to write an article for the school paper about the infamous new delinquent transfer student, Buddy Revell. When Jerry accidentally invades Buddy's personal space and touches him, Buddy challenges Jerry to an afterschool fight in the parking lot, which Jerry tries to avoid at all costs.

When one school teacher gets the other fired, he is challenged to an after-school fight.

When students in their high school begin inexplicably exploding (literally), seniors Mara and Dylan struggle to survive in a world where each moment may be their last.

When eighth-grade cool guy Hiromi transfers from Tokyo to a small elementary/middle school with only six kids enrolled, wholesome and honest Soyo becomes enthralled with his sophisticated world.

Five high school students from different walks of life endure a Saturday detention under a power-hungry principal. The disparate group includes rebel John, princess Claire, outcast Allison, brainy Brian and Andrew, the jock. Each has a chance to tell his or her story, making the others see them a little differently -- and when the day ends, they question whether school will ever be the same.

Unpopular best friends PJ and Josie start a high school self-defense club to meet girls and lose their virginity. They soon find themselves in over their heads when the most popular students start beating each other up in the name of self-defense.