Violence Voyager (2018)

Following an end-of-term school ceremony, the American boy Bobby decides to go with his friend Akkun into the mountains outside their village, to a place perfect for a secret base. On the way they stop into a mysterious amusement park. They have fun there, but are attacked and cannot leave. Falling in with some other children who are also lost there, they fend off a number of attacks, and gradually learn the truth behind the facility.
Ujicha
Aoi Yuki, Naoki Tanaka, Shigeo Takahashi, Daisuke Ono, Saki Fujita, Tomorowo Taguchi, Hitoshi Matsumoto
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