1girl, ahoge, bra, breasts, brown_eyes, cleavage, dated, feet_out_of_frame, groin, hagikaze_(kancolle), kantai_collection, large_breasts, long_hair, maru_(marg0613), navel, one-hour_drawing_challenge, one_side_up, panties, purple_bra, purple_hair, purple_panties, simple_background, solo, twitter_username, underwear, underwear_only, white_background