aruka_(alka_p1), commentary_request, 1girl, adjusting_hair, armpits, bloomers, blue_eyes, cinderella_bust, frilled_underwear, grey_hair, hat, long_hair, mouth_hold, ribbon-trimmed_underwear, ribbon_trim, solo, thighhighs, tying_hair, underwear, underwear_only, hibiki_(kancolle), verniy_(kancolle), kantai_collection, year_2015, 