1girl animal_ears arknights arm_up armpits bare_shoulders bikini black_bikini black_gloves black_hair blaze_(arknights) blue_eyes blue_hair breasts cat_ears cat_girl cat_tail choker fingerless_gloves flip-flops floating_hair full_body gloves groin hairband jewelry large_breasts leg_up long_hair looking_at_viewer mismatched_bikini navel necklace official_alternate_costume official_art pouch sandals shirt sleeveless sleeveless_shirt smile solo stomach swimsuit tail thigh_strap thighs torn_clothes torn_shirt transparent_background very_long_hair white_bikini white_shirt yui_(niikyouzou)