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Movies like Orz Boyz (2008)

More than just naughty, they play tricks on classmates, tease girls at school, fight with other boys, and lie to everyone until their teacher breaks down. They are named Liar No. 1 and Liar No. 2. The most important act planned in their life is to go to the mysterious water park, where they can leap through the portal at the end of the water slide to the fairy-tale world OZ and live as grown-ups happily ever after. However, the commitment is torn by a careless betrayal.