Rule 34 Dev - 1boy abs armpit_hair armpits arms_up brown_hair genital_outline haikyuu!! male male_only marker mature_male meisho_hanten muscles muscular muscular_arms muscular_male open_mouth pecs red_eyes sawamura_daichi short_hair six_pack solo splatter stretching swim_briefs swimsuit tan tanline v-shaped_eyebrows|13057440936