1girl anchor black_hair cosplay crossed_arms detached_sleeves gokou_ruri headgear kantai_collection kneeling kuro-kun_(nablack) long_hair ore_no_imouto_ga_konna_ni_kawaii_wake_ga_nai ponytail red_eyes single_thighhigh thigh-highs yamato_(kantai_collection) yamato_(kantai_collection)_(cosplay)