Aoi is often angry, she is also very serious.  Her personality is somewhat similar to Shinobu Kocho's, the two are always very irritated.  She is also quite tough with Tanjirou, Zenitsu, and Inosuke, as she had to train all three of them in intensive training.  But, Aoi is also shown to be a sensitive person.  When Tanjirou was recovering from the fight with the superior six moon, Aoi lamented over Inosuke's serious injuries, and burst into tears, showing that she enjoyed the time she spent with