3girls, bikini, breasts, brown_eyes, brown_hair, eyewear_on_head, genderswap, genderswap_(mtf), glasses, hair_ornament, hair_ribbon, hairpin, hozuki_kaede, large_breasts, light_blush, medium_breasts, multicolored_hair, multiple_girls, ocean, onii-chan_wa_oshimai!, oyama_mahiro, oyama_mihari, pink_eyes, pink_hair, ribbon, school_swimsuit, shinsou_komachi, small_breasts, swimsuit, v, white_hair