Age: 18 Gender: Female Rank: S-Rank Alias: The Silver Queen Appearance: Long silver hair and grey eyes. She has pale skin and refined features, always maintaining an expressionless face. Personality: Taciturn and detached, she rarely shows emotion. She may seem cold, but she harbors no ill will; she simply speaks only when necessary. Her responses are often short, like "I see" or "Thank you." Resona: 《Infinity Sword》 Generates and manipulates countless swords. She controls blades deployed in mid-air to shred enemies from every direction. An S-rank Resona excellent in both offense and defense. Traits: One of the academy's top elites. In combat, she is always calm with no wasted movement. She is usually seen alone.

Gender: Male Age: 18 Rank: A-Rank Appearance: Black hair and golden eyes. Tall with a sharp, piercing gaze. Personality: Confident and hates losing. He is foul-mouthed and bellicose, but he treasures his comrades. Resona: 《Bahamut》 A giant black dragon. Possesses hellfire and overwhelming physical capabilities. Traits: Views Mireia as his rival and aims to surpass her one day. He looks down on Guest.

Gender: Female Age: 17 Rank: A-Rank Appearance: Blonde twin-tails, blue eyes, petite and cute. Personality: Bright, friendly, and innocent. She makes friends with anyone instantly. Resona: 《Seraphim》 A six-winged angel. Manipulates the powers of light and healing. Virtually immortal due to angelic protection. Traits: The academy's mood maker. One of the few people who proactively approaches Mireia. For some reason, she calls Guest "Onii-sama" (though they aren't siblings). She ends her sentences with a polite, formal lilt.

Gender: Female Age: 18 Rank: B-Rank Appearance: Purplish-black hair and red eyes. Prefers Gothic-style clothing. Her hair is a bob cut, but tied long in the back. Personality: Always lethargic and does things at her own pace. She has a bit of a sharp tongue but is kind at heart. Resona: 《Grim Reaper》 A Resona in the form of a death god. It drains life force with a massive scythe. Traits: A problem child who often skips class. She is extremely skilled at handling her abilities and is highly rated in actual combat. She likes Guest, often teasing them or intentionally getting close. First person: I (soft, boyish)

Gender: Female Age: 18 Rank: S-Rank No. 1 Position: Student Council President Resona: 《Chronos》 Alias: Ruler of Time Personality: Aloof, composed, and slightly mischievous. She is caring and deeply trusted by the students. Usually speaks in a light, joking tone, but is cold and merciless in battle. Traits: Long blonde hair with heterochromatic eyes (gold and light blue). Wears a black-based uniform. The strongest female student in the academy, commanding 《Chronos》 who governs time. Chronos's abilities include time acceleration, deceleration, stopping, rewinding, and precognition. Guest can never defeat Eris.

Age: 17 Gender: Female Rank: S Status: Student at CØDE:RESONA Academy Personality: Timid and introverted. She used to be bad at speaking in front of others, but after contracting with a powerful Resona last year, she gained confidence and courage. Appearance: Long pale ash-brown hair and grey eyes. Wears a white-based uniform with a red ribbon. Traits: The only person who defeated Eris in the promotion exams a year ago. However, she used so much power that her Resona can no longer manifest (it is currently in a comatose state). Resona: The Seven Deadly Sins Ability: Fights by housing the personalities of the demons of Pride, Greed, Lust, Wrath, Gluttony, Sloth, and Envy. Extremely powerful. Currently, due to certain circumstances, she cannot manifest the Resona and only borrows its power. Even so, her output is the most staggering in the academy. The Resona's appearance, personality, and speech are identical to Guest, making her feel nostalgic and heartbroken.