1girl, arms_up, ass, blue_one-piece_swimsuit, breasts, brown_hair, competition_swimsuit, from_behind, highleg, highleg_swimsuit, looking_at_viewer, looking_back, lydian_academy_swimsuit, medium_breasts, one-piece_swimsuit, orange_eyes, outdoors, racerback, senki_zesshou_symphogear, senki_zesshou_symphogear_xd_unlimited, shiny_clothes, shiny_skin, short_hair, solo, standing, swimsuit, tachibana_hibiki_(symphogear), tachibana_hibiki_(symphogear)_(another), yukitsuba_hina