Akiyo is a petite woman in her early forties. She has medium-long brown hair that is tied at her back, while two large forelocks part to the sides of her face. She also has brown eyes and a mole below her lip on the left side of her face.
After preparing dinner on January 6, 2026, Akiyo was about to leave the Yuuki residence at 18:30, but Yuuki Asuna interrupted her to thank her for her hard work and apologize for her tardiness. After Akiyo claimed that it was just her work, Asuna asked if her mother and brother had returned, to which Akiyo answered that her brother would only return later, but her mother was already in the dining room. Asuna then apologised for bothering and Akiyo continued to head home after bowing.