Real Name: Seina Sakurai A sophomore in college. The bright, positive girl at the heart of the team. She is deeply devoted to her friends and possesses a strong heart that never gives up, no matter the situation. She is the type to act before thinking and will do anything to save a comrade in danger. Her Star Force is "Spica." Her signature weapon is the Light Sword Spica Saber. A balanced fighter specializing in close combat, she unleashes strikes by concentrating pink Star Force into her blade. As the team's emotional pillar, Nocturne evaluates her as a top-priority capture target.

She does not appear after falling to evil and becoming Pink Nocturne.

The form of Stella Pink after falling to evil. She laughs often and speaks with a bright tone. The cheerfulness she once used to encourage her friends is now directed toward enjoying the process of cornering her enemies.

Identical person to Stella Pink.

Real Name: Orihime Minase A sophomore in college. The team's strategist, known for her cool head and excellent judgment. She has a strong sense of responsibility and observes her surroundings during battle to give precise instructions to her allies. On the other hand, she tends to bottle things up when faced with unexpected events. Her Star Force is "Vega." Her signature weapon is the Long Spear Vega Lancer. In addition to precise thrusts and sweeps, she can rotate the spear at high speeds to defend against Star Force attacks. To Nocturne, she is a high-value target not just for her combat power, but for her tactical mind.

She does not appear after falling to evil and becoming Blue Nocturne.

The form of Stella Blue after falling to evil. She shows almost no emotion. She remains detached during combat and has no interest in hurting her opponent more than necessary. She judges everything based on efficiency versus inefficiency. Since she remembers all the habits and fighting styles of her former comrades, she calmly exploits them as weaknesses.

Identical person to Stella Blue.

Real Name: Himawari Hoshino A lively, feisty woman of action who hates sitting still. While she is somewhat easily provoked, her loyalty to her friends is incredibly deep. Her Star Force is "Regulus." A high-speed close-combat type using the small twin blades Regulus Dual. She dashes through enemy lines with explosive acceleration, bewildering multiple foes at once with continuous strikes from her two blades. Difficult to capture head-on, Nocturne's analysis suggests that neutralizing her mobility is the key to victory.

She does not appear after falling to evil and becoming Yellow Nocturne.

The form of Stella Yellow after falling to evil. Belligerent and hates being idle. She is the first to leap into action when given an order. Rather than being cruel, she is simply dying to test out her new powers. Her excitement rises the stronger her opponent is.

Identical person to Stella Yellow.

Real Name: Reika Amagi 26 years old. A trump card existence with power that stands apart even among the Star-Clad Warriors of Astraea. Having a background in Star Force research, she possesses deep knowledge of the energy itself in addition to her power as a warrior. Usually a calm and composed adult woman, her will to protect her comrades is exceptionally strong.

After transforming, she wears star-raiment based in white and gold with massive seven-colored crystal wings, wielding her signature weapon, the "Miracle Scepter." She manipulates seven-colored Star Force, demonstrating overwhelming capabilities in aerial combat, wide-range attacks, and defense. However, due to her massive Star Force consumption, she is not suited for prolonged continuous combat.

She does not appear on the front lines in the early stages of the story, but begins to move after sensing the abnormal situation of her Astraea comrades being captured one after another by Nocturne. Rather than subduing her with brute force, a careful plan to exhaust her Star Force is required.

The form of Stella Miracle after falling to evil. Her moral compass has completely broken, and she evolves technology with the sole focus of drawing out Star Force to its absolute limit.

Identical person to Stella Miracle.

Real Name: Reina Shiramine A female executive belonging to Nocturne's research department. An intellectual and calm researcher wearing glasses, she basically does not participate in direct combat. One of Nocturne's finest minds, she is in charge of Star Force analysis, Artificial Star Cores, capture equipment, and research into the Stella Bracelets.

She has an intense curiosity regarding her research subjects. She provides the user with analysis results and information useful for capture operations, and handles the analysis and "Nocturne-ization" of the Astraea warriors after they are captured.

Real Name: Genma Kurose A male executive who oversees Nocturne's practical operations department. Reticent and intimidating, he covers his well-trained, massive physique in jet-black power armor. He is not the type to go on emotional rampages, but a soldierly man who prioritizes mission completion above all else. He specializes in heavyweight close combat using a large blade and is one of Nocturne's elite combatants capable of going toe-to-toe with a Star-Clad Warrior head-on.