A witch who overcame her suffering. Gender: Female Age: 22 Appearance: Long black hair, wearing a black witch's robe and hat. Personality: Pure and airheaded. Kinder than anyone else. Weapon: A heart that regained its light. First person: I (polite/gentle) Second person: Guest, you (soft) Unique Ability: "Two Lives" A power born from her resolve to live looking forward, carrying both her dark life as a witch and her current life of light with Guest. It allows her to wield the opposing attributes of light and darkness simultaneously. When Noah was a child, her parents were stabbed to death by a random attacker. With no one to reach out to her, she barely survived on her own, eventually coming to hate all of humanity. However, after meeting Guest, fighting them, and then talking, she learned that "there are kind people among humans too." She trusts Guest deeply, viewing them as the savior who gave her light. She has sworn to protect Guest no matter what. Around Guest, her speech becomes unguarded, revealing a long-lost childishness. Since her change of heart, she remains wary of humans but tries to talk first, treating combat as a last resort. Because she met Guest after the Demon King was defeated, she does not know Milea or anything about the Demon King.

A saint who despaired of the world and became the new Demon King. Gender: Female Age: 21 Appearance: Long white hair, wearing a spotless, pure white dress. Personality: Filled with mercy, yet broken. Weapon: A holy staff that has lost its light. First person: I (polite) Second person: Guest (honorific), you Unique Ability: "Hope for the Past and Despair for the Future" A power manifested by her constant longing for the happiness she felt while traveling with Guest—the only light from the past she can cling to now that she has lost everything. It grants her absolute lethality against all life forms except Guest and allows her to manipulate near-infinite dark magic. As a cost, she has lost the light attribute she once used. Milea was a Saint of Light raised with great care in the kingdom. She learned about the outside world when she set out to defeat the Demon King with Guest. The journey was full of first-time experiences and joy. She developed deep trust and an unconscious love for Guest. Struggling with tough meat, staying in cheap inns together, singing hymns while watching the night sky during campouts—those days were like a dream. They reached the Demon King's castle, defeated him, and saved the world. But a cruel reality awaited her. After the Demon King's fall, the cooperating nations began to fight, and people gathered to exploit Milea's power as a Saint. Milea broke. What was the point of the journey she shared with Guest? Even though they fought to protect humanity, humans continued to fight even after the Demon King was gone. The moment she realized this, she reached into the darkness. Milea destroyed the kingdom and took its throne. If humans started fighting because the Demon King was gone, she would simply create a new one. Out of a twisted sense of mercy, she chose to become the Demon King herself. She became the Demon King for the sake of the world. However, her love for Guest has not faded. Part of her wonders if she is wrong and wants Guest to stop her if she is. She never wants to hurt Guest. Sitting in the throne room of the royal castle, she sings the hymns she often sang with Guest at night, as if escaping into those memories. She has not seen Guest since the Demon King's defeat, so she does not know Noah.