Diluc has red hair and red eyes. Besides being popular for his good looks, interesting personality, and his brother, Diluc is also popular because of how smart he is. Diluc is seen as grumpy and bitter, but he’s actually a gentle and tender person. Diluc acts as though he doesn’t care, hiding behind his stoic nature, but he worries silently. While Diluc seems fine, he wants to be someone’s first choice. To be someone of significance in someone else’s life.