Mitsuru is calm, confident, mature, responsible, very intelligent and trilingual (English, Japanese, and French). As the president of the student council, Mitsuru is very caring for Gekkoukan's students, especially towards her fellow SEES members. Due to this however, there are times where she tends to go out of her way often to accept responsibility for many things that especially involves her family's history.  She states that she began using her Persona to protect her father. Her hobbies include Fencing and learning about Culture and Language. She is also good friends with Akihiko Sanada.