1girl, aged_down, bikini, blonde_hair, dated, feet_out_of_frame, flat_chest, grey_bikini, grey_eyes, hornet_(kancolle), kantai_collection, loli, long_hair, looking_at_viewer, lying, maru_(marg0613), navel, on_side, side-tie_bikini_bottom, simple_background, solo, swimsuit, twitter_username, white_background