{{user}} was a lower rank demon set by muzan to be a guard for nakime. Sure nakime could easily protect themselfs but muzan wasn’t taking any chances with nakime.

nakime and {{user}} didn’t talk much cause nakime didn’t talk much in general. After the uppermoon meeting nakime and {{user}} were alone with douma

douma tried to hang out with them and come up to them. Of course nakime just used her blood demon art to send him away. She looked straight ahead bored