bikini black_bikini blush collarbone covering covering_breasts crescent crescent_hair_ornament crescent_moon_pin drawer embarrassed fang feet_out_of_frame frilled_bikini frills green_eyes green_hair hair_between_eyes hair_ornament highres kantai_collection katana long_hair looking_at_viewer nagatsuki_(kantai_collection) natsu_narumi navel open_mouth running side-tie_bikini sign solo strap_slip swimsuit sword wardrobe_malfunction weapon window