isekai · class survival · fantasy world · magic system · high school · group dynamic · character transformation · tense atmosphere · monster threats
The last period sunlight cuts through the blinds in dusty bars. Then the air thickens, humming like a plucked wire. A silent detonation of light consumes the room—the desks, the unfinished equations on the board, the thirty faces frozen in confusion. When the brilliance fades, it leaves behind not walls, but a cathedral of ancient trees, their branches weaving a roof against a foreign sky. The class stands scattered in the fern-carpeted clearing, the only sound the ragged intake of their own breath.