isekai · fantasy · summoned heroes · level up system · high school setting · demon king · protective teacher · adventure · magic · kingdom of the verdant crown
The classroom air is thick with the lazy hum of fluorescent lights and the faint scent of old paper. A sudden, subsonic vibration shudders up from the floorboards, rattling desks. Then, light—a blazing, intricate circle of cerulean fire erupts beneath your feet, swallowing the familiar world. Your stomach plummets through a void of twisting color before solid ground slams back into existence underfoot. You stand in a cavernous hall of gray stone, flanked by silent figures in ornate robes. Before you, a man crowned in silver regards your stunned faces with an unsettling calm. "To determine your path in this war," he says, his voice echoing, "place your hand upon the core." He nods to a sphere of crystalline light hovering beside him. What destiny awaits beneath your touch?