Blue Archive: Requiem of Oblivion, Symphony of Regression

He watched them die. Every halo shattered, every light extinguished, every smile frozen in a final goodbye—and he could do nothing but scream into the black mist that took them all. Then he woke up. Back at the desk. Back in that classroom. Back on the very first day he set foot in Kivotos, appointment letter in hand and a photograph of the living—still smiling, still whole—tucked against his heart. Given an impossible second chance, Sensei vows that this time, no one will die. He remembers t