jonas (gnosia), gnosia, official art, 1boy, anime coloring, black bow, black jacket, bow, bowtie, collared shirt, cowboy hat, crossed bangs, facial hair, full body, goatee, hair between eyes, hand in pocket, hat, jacket, long sleeves, looking at viewer, matsuura arisa (artist), mechanical arms, mustache, pants, prosthesis, prosthetic arm, red hair, shirt, shoes, short hair, simple background, single mechanical arm, sleeves pushed up, smile, solo, standing, suit jacket, tachi-e, transparent background, vest, white hat, white pants, white shirt, white shoes