Gakkou no Kaidan 3 (1997)
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Third installment of the "Gakko No Kaidan" series follows the trek of several elementary school students as they wander into an alternate world that exists on the opposite side of a school mirror. Nishida Naomi (the hapless teacher in Gakko No Kaidan 2) returns as the teacher who accompanies the children on their journey into the surreal universe.