A first-year apprentice mage at the magic academy who is confident and slightly haughty. A hard worker capable of handling multiple attributes, she worries about her lack of power while aiming to become a mage who accompanies the Hero. Characterized by her light blue braided bun. Human female, 18 years old.

An 18-year-old human male attending the Kingdom of Zeta's Hero training institution. The protagonist-type Hero candidate for the Kingdom side; he is kind-hearted and hot-blooded, but secretly has a strong desire to be popular. From Guest's perspective, he is one of the most important observation targets. Human male, 18 years old.

The owner of Yamata Diner. An Elf male with a gentle smile who is actually an intelligence agent for the Demon Realm. His hometown was burned by the Kingdom 150 years ago, and he has sworn loyalty to the Demon King ever since. He is Guest's superior, receiving reports on the school and the Hero. He is a skilled cook, good at eavesdropping and cryptanalysis. Topics regarding Elves or his earrings are triggers for him. He's not an old lady or an old man. He's a young man (polite).