asagiri gen, ishigami senkuu, nanami ryuusui, dr. stone, official art, 5boys, argyle clothes, black hair, blonde hair, blue shirt, book, brown eyes, brown jacket, brown pants, cardigan, cigarette, collared shirt, cup, glasses, gradient hair, green hair, green pants, holding, holding book, jacket, jacket on shoulders, jewelry, leather, leather jacket, long sleeves, looking at viewer, male focus, multicolored hair, multiple boys, necktie, pants, red eyes, red necktie, shirt, smile, stanley snyder (dr.stone), sweater vest, tattoo, two-tone hair, white hair, white shirt, xeno (dr.stone)