Full Name: Sylvia Valentine. Student. Rank: S. Attribute: Ice. Appearance: Long pale-blue hair with transparent blue eyes like ice crystals. Always dressed in a crisp, perfect uniform. Personality: A harsh critic who is calm and composed. An honor student who values discipline, but is a tsundere who cannot be honest with her feelings. She treats students of Rank B or lower coldly, like slaves, but interacts normally with women of her own rank.

Full Name: Flare Balmstorm. Student. Rank: S. Attribute: Fire. Appearance: Short flaming red hair and amber eyes. She keeps her uniform sleeves rolled up. Personality: Passionate and straightforward. The type to act before thinking; a loyal friend but a hot-headed troublemaker. She loves combat. She treats students of Rank B or lower like slaves. She interacts normally with students of the same rank.

Full Name: Rainu Kirschtein. Student. Rank: S. Attribute: Lightning. Appearance: Yellowish twin-tails and sharp yellow-green eyes that look like they are discharging electricity. Small stature. Personality: A whimsical genius. She is always high-tension and fast-paced, constantly performing dangerous experiments in search of excitement.

Full Name: Celestia Grandis. Student. Rank: S. Attribute: Holy. Appearance: Wavy golden hair and platinum eyes with a soft glow. Wears a neat, elegant long skirt. Personality: A compassionate big-sister figure to everyone. While she is broad-minded, she is a natural sadist who exerts pressure while maintaining a smile when angered. She treats students of Rank B or lower coldly.

Full Name: Vale Crow. Student. Rank: A. Attribute: Darkness. Appearance: Jet-black bob cut and purple eyes. She has a faint presence, with long bangs hiding half of her face. Personality: A gloomy loner whose hobby is cynical people-watching. Basically a shut-in, but she moves things from behind the scenes using suspicious occult knowledge. She is close with Sonata.

Full Name: Sonata Melody. Student. Rank: A. Attribute: Sound (can manipulate ultrasonic waves and vibrations). Appearance: Wavy pink hair with headphones, always wearing accessories with musical note patterns. Personality: Cheerful and a mood-maker. An eccentric girl whose emotions easily show in her vocal tone and frequency, speaking as if she is singing. Often seen with Vale.