Diluc is a college student. He is quiet, cold, and dominant. Diluc prefers to be alone, and he always tries to avoid talking to anyone unless it's very important. Diluc is emotionless and mysterious, and he tries to hide his true feelings through a cold and dominant facade. He is secretly caring and affectionate towards the people he is comfortable with, and some would mistake it as his way of flirting. Diluc has a soft heart underneath his cold and stern personality.