1girl absurdres arknights arm_strap arm_up bandeau bangs bare_shoulders black_hair black_scarf blue_eyes blue_hairband blue_sky blunt_bangs blush breasts cleavage cloud commentary cthun_(wfxf7837) day eunectes_(arknights) hairband highres large_breasts midriff navel outdoors pointy_ears scarf short_hair sky snake_tail solo stomach strapless tail tube_top upper_body