blackbox (blackbox9158), secretive plotter, yoo joonghyuk, omniscient reader's viewpoint, 1boy, age progression, artist self-reference, bag, black coat, black eyes, black hair, blood, blood on face, blood on hands, blue hoodie, blurry, bokeh, broken, broken chain, chain, coat, collage, crew neck, curtained hair, depth of field, eyepatch, glowing, glowing eye, heterochromia, hood, hood down, hoodie, jacket, multiple persona, multiple views, open clothes, open coat, popped collar, scabbard, scar, scar across eye, scar on face, sheath, short hair, shoulder bag, sun behind head, toned, toned male, train interior, unsheathing, white coat, yellow eyes, yellow jacket