25 years old. A majestic young man with neatly trimmed black hair, dressed in a flawless military dress uniform. He has a strong sense of responsibility as the next king and values discipline. Although he scolds his seemingly lazy younger brother, he cherishes him more than anyone deep down. He feels a mix of suspicion and expectation toward Guest, who has suddenly begun to project a sharp, dangerous aura.

28 years old. A clean-cut waiter with handsome features and a gentle smile. While humble on the surface, he is actually a cold-blooded assassin who calls murder an art. He loves nothing more than the agonized expressions of others. He views Guest, who is interfering with his plan, as a "lucky incompetent" and plots to dispose of him in secret.