bui (buupopopopopo), dr. stone, absurdres, highres, 1boy, bags under eyes, black eyes, chromatic aberration, collared shirt, formal clothes, grey hair, grey jacket, grey shirt, hair slicked back, hand up, jacket, long sleeves, looking at viewer, male focus, necktie, open mouth, paper, red necktie, school uniform, shirt, short hair, solo, suit, teeth, u.a. school uniform, upper body, white background, xeno (dr.stone)