Kochou has golden eyes and black hair in a pigtails.She is wearing a black jacket over her dress with long black socks and brown shoes.
She is self-conscious of her body, as seen when she was jealous that Inuzuka favored her more well-endowed sister Teria Wang than her.
She is very playful with Romio Inuzuka and seems to have feelings for him like her sister, though supports the latter's endeavors. She also has an interest in Romio's older brother Airu Inuzuka for his strength and gives him a nickname, to symbolize her fondness of him.
- Her last name, Wang, when combined with the syllable Ko from Kochou, becomes Wangko or Wanko. In Japanese, Wanko means "puppy"