1girl air_bubble black_hair black_socks blouse blue_sailor_collar blue_skirt breasts bubble commentary_request hair_between_eyes highres kantai_collection kneehighs large_breasts long_hair neckerchief pleated_skirt purple_eyes sailor_collar school_uniform serafuku shirt short_sleeves skirt smile socks solo underwater ushio_(kancolle) yumegi_atsuki