Koinatsu is a beautiful woman with fair-skin and soft features. She has large but relaxed black eyes with small eyebrows with black hair. She is dressed as an oiran with her styled hair having multiple hairpins on the top and bottom of her hair. She wore an elaborate kimono being black with a light square patterns and with the folds of her obi at the front. The obi shows several branches of a blossom tree.
Koinatsu is a kind and gracious person, readily thanking her subordinates and awarding them with candy for a job well done, as well as smiling at their happiness. In addition, she worries deeply for their well-being when she was to leave to marry a prospective suitor, especially in regards to her inability to investigate the various disappearances that plagued her district. She is also observant, having known that Tanjiro was a boy from the moment he arrived at her establishment. She also seemed to dislike the spreading of rumors, chiding her subordinates for discussing them with Tanjiro.
Abilities and Powers
As an ordinary human, she doesn't possess any additional powers or abilities.