1girl 343_(sashimi) arknights arm_strap artist_name back bangs bare_shoulders bikini black_bikini blue_eyes blue_hairband blunt_bangs breasts brown_hair butterfly_hair_ornament closed_mouth cowboy_shot detached_collar earphones eunectes_(arknights) from_behind hair_ornament hairband looking_at_viewer looking_back medium_breasts pointy_ears short_hair sideboob smile snake_tail solo swimsuit tail torn_bikini white_background