Kenji Seki's uneventful daily life revolves around routine visits to the beach with his dog to watch Kahori Harukawa surf, followed by walking to school with his childhood friend Natsuki Suzuura. His biggest concern is mustering the courage to confess his feelings to Kahori. However, the arrival of the enigmatic transfer student, Ryouichi Kyougoku, claiming to possess psychic abilities, disrupts Kenji's world. Ryouichi's charm and popularity quickly captivate everyone, including Kahori, who starts to develop feelings for him. Meanwhile, Natsuki grows distant whenever Kenji broaches his emotions. As the supernatural intertwines with their once ordinary lives, Nerawareta Gakuen delves into how Ryouichi's presence reshapes the dynamics among these teenagers.