Aguri is shown to be cheerful, clear-minded, and passionate when it comes to teaching. As a teacher of Class 3-E she is quite intelligent, being able to teach any subject in spite of chemistry being her first preference. She is also hard-working, having been essentially forced to work as a lab assistant to her abusive fiancé during night hours.
Aguri is also very perceptive. When the original God of Death wondered why his apprentice betrayed him, Aguri replied that his apprentice might have wanted his master to "see him", a perception later proved to be tragically prophetic.
She is known for her odd sense of fashion which often leaves others dumbfounded. Despite that she is remembered very highly by those who knew her and continues to make an impact in their lives.