2girls, ahoge, blurry, blurry_background, braid, brown_hair, competition_school_swimsuit, depth_of_field, genderswap, genderswap_(mtf), hair_between_eyes, hozuki_momiji, long_hair, looking_at_another, looking_at_viewer, multiple_girls, one-piece_swimsuit, onii-chan_wa_oshimai!, orange_eyes, outdoors, oyama_mahiro, pink_hair, pool, pool_ladder, poolside, school_swimsuit, shachikunoosamu, solo_focus, strap_slip, swimsuit, twin_braids, wet