1girl, ahoge, bare_shoulders, black_skirt, black_socks, blue_one-piece_swimsuit, blush, breasts, brown_eyes, clothes_pull, collarbone, double-parted_bangs, hair_between_eyes, kneehighs, long_hair, looking_at_viewer, male-female_symbol, moko39_takasora, one-piece_swimsuit, onii-chan_wa_oshimai!, oyama_mahiro, pleated_skirt, school_swimsuit, school_uniform, shirt, shirt_pull, simple_background, skirt, skirt_pull, small_breasts, smile, socks, solo, strap_slip, swimsuit, swimsuit_under_clothes, undressing, white_background, white_shirt