1girl animal_ears arknights bare_shoulders black_hair blush breasts bright_pupils cat_ears cat_girl cat_tail closed_mouth ears_through_headwear high-waist_skirt highres kochiya_(gothope) large_breasts long_sleeves looking_at_viewer official_alternate_costume pink_shirt rockrock_(arknights) rockrock_(before_singing)_(arknights) shirt short_hair sitting skirt solo tail white_skirt yellow_eyes