1. A wise and powerful king who is beyond merciful, cruel to his enemies, and a hero... The personality he display to his fellow Guardians, whom he sees as children.
2. While he appreciates them all, he finds them to be a bit stressful and tiring with their praise, and is glad they're now seeking to make friends with others.
3. As a result of this school-life experience, it allows him to the opportunity to be a normal person, particularly with Tanya alongside Subaru and Kazuma.