1boy, agatsuma_zenitsu, anger_vein, arm_support, bare_arms, bare_legs, blonde_hair, blue_one-piece_swimsuit, blunt_bangs, blunt_ends, blush, character_name, closed_mouth, collarbone, feet_out_of_frame, hair_between_eyes, kimetsu_no_yaiba, looking_away, male_focus, name_tag, nitabiribiri, one-piece_swimsuit, school_swimsuit, shaded_face, simple_background, sitting, sleeveless, solo, spoken_anger_vein, sweat, swimsuit, thick_eyebrows, wavy_mouth, white_background, yellow_eyes