4boys, abs, agatsuma_zenitsu, animal, blonde_hair, boar_mask, earrings, fish, forked_eyebrows, fundoshi, hashibira_inosuke, holding, holding_animal, holding_fish, japanese_clothes, jewelry, kamado_tanjirou, kimetsu_no_yaiba, long_hair, male_focus, male_underwear, marlin_(fish), marotoskin, multicolored_hair, multiple_boys, muscular, muscular_male, navel, nipples, open_mouth, red_eyes, red_hair, rengoku_kyoujurou, scar, scar_on_face, topless_male, two-tone_hair, underwear, yellow_eyes