yi-ki, togawa sakiko, arknights, bang dream!, bang dream! it's mygo!!!!!, absurdres, highres, 1girl, asymmetrical sleeves, bare shoulders, black dress, black gloves, black horns, black ribbon, blue hair, cowboy shot, curled horns, detached collar, dress, gloves, hair ribbon, horns, long hair, looking at viewer, official alternate costume, ribbon, sidelocks, simple background, single glove, skirt hold, solo, standing, togawa sakiko (master of melodia), white background, wrist cuffs, yellow eyes