jaehwan, kim dokja, omniscient reader's viewpoint, the world after the fall, highres, 2boys, backlighting, black eyes, black hair, book, bright pupils, brown coat, brown vest, coat, collared shirt, head tilt, holding, holding book, holding phone, in-franchise crossover, library, looking at phone, multiple boys, necktie, open clothes, open coat, open mouth, phone, red necktie, shirt, short hair, sleeves rolled up, sunnyd00y, vest, walking, white pupils, white shirt, window