birkai, chisa (wuthering waves), wuthering waves, absurdres, commentary, highres, 1girl, alternate costume, animal ears, arm strap, arm support, bare shoulders, black bra, black hair, black leotard, black pantyhose, blush, bow, bowtie, bra, breasts, breasts out, closed mouth, fake animal ears, hair ribbon, hand up, highleg, highleg leotard, leotard, long hair, looking at viewer, maid headdress, medium breasts, pantyhose, rabbit ears, red bow, red bowtie, red eyes, red ribbon, ribbon, sitting, solo, underwear