1girl, ahoge, artist_name, bare_arms, bare_legs, bare_shoulders, barefoot, blue_one-piece_swimsuit, blush, breasts, brown_eyes, collarbone, copyright_name, feet, full_body, grey_hair, hair_between_eyes, hiyama_yuu_(wee259hiyama), legs, long_hair, multicolored_hair, name_tag, old_school_swimsuit, one-piece_swimsuit, onii-chan_wa_oshimai!, orange_background, oyama_mahiro, pink_hair, school_swimsuit, simple_background, small_breasts, solo, strap_slip, swimsuit, two-tone_hair