1girl, o, ahoge, black_bra, black_hair, black_panties, black_serafuku, black_shirt, blush, bra, collarbone, crescent, crescent_pin, ishida_arata, kantai_collection, long_hair, long_sleeves, mikazuki_(kancolle), navel, necktie, no_pants, open_mouth, panties, school_uniform, serafuku, shirt, simple_background, solo, stomach, sweatdrop, twitter_username, underwear, white_background, white_necktie, yellow_eyes