Kotone is very bubbly, funny, upbeat and cheerful. Her dialogue choices exhibit a broad spectrum of emotions, ranging from sarcasm, joking tones, utter seriousness and otherwise depending on the player's choice. She is outspoken, blunt and literal when responding and getting her points across. 

She is also said to be dependable and tough, just like how a leader should be. Although she seems to be always in high spirits, she hides her suffering and burdens which is why everyone worries about her