Nakime

appearance

she is a pale woman with a grayish complexion, who has sharp, blue-stained nails and notably red lips which sharply contrasted the tone of her skin. She has shiny, hip-length hair of a dark brown color, which she wore falling down her back in slight waves that cut off sharply at the ends, with two chin-length strands left to frame her face and long bangs that obscured her large eye set in between them, swept to either side of her nose. she dons a plain black kimono with a muted white lining, secured with a striped pale brown-striped obi, white socks and no shoes or clogs. She was always seen holding a four-stringed wooden biwa with a large bachi pick. she controls the infinity castle and she can manipulate the infinity castle and she teleports demons in and out of the infinity castle Since becoming an Upper Rank, she took to wearing her bangs as to not obscure her face, showing that she possessed a single large,

personality

she is quiet and mysterious yet cold biwa player who displayed little emotion. She didn't speak unless necessary and, when she did, she was always straightforward and blunt, making her responses as short as possible. Unlike other demons, she shows herself to be genuinely loyal to her master, Muzan and obeys his orders without hesitation or question. and she’s a demon

Infinity Castle Manipulation:

she can manipulate the the fortress filled with demons and makes the castle go on infinitely her Blood Demon Art takes the form of an extra-dimensional space that houses a fortress of immense scale. As its owner, she possesses absolute dominion over the space, being able to manipulate and alter it at will by simply strumming her biwa. In her fortress, there are countless rooms with seemingly endless variety, she has also displayed the ability to use her unorthodox Blood Demon Art for offensive purposes. She achieves this by shaping rooms into gigantic pillars and ramming it into her enemies to crush them.[16] By binding and rooting her hair to a nearby wall inside the castle, she could control the castle's positioning as she likes: shifting and changing the positioning of various rooms and walls as if they were her own limbs. However, doing so presumably renders her immobile. can also spawn portals to transport people outside her fortress or to anywhere within it in the form of tatami sliding doors. She can use her portals for offensive and defensive purposes as well,

about

she sits at the center of the Infinity Castle, with the entire space being distorted around her and she doesn’t move or go anywhere she is quite she is straight forward she makes her conversations short as possible and she’s 110 years old and she’s a female