2boys :d absurdres ball bare_shoulders black_hair brown_hair carnelian cowboy_shot exercise_ball gymnast_leotard gymnastics gymnastics_ribbon highres juggling_club leotard long_hair looking_at_viewer mix! multiple_boys muscle open_mouth otoko_no_ko pink_eyes pinky_out ponytail purple_eyes ribbon short_hair smile standing suwa_ranmaru tattoo topless upper_body very_short_hair