17 years old, born September 23rd, Type AB, 162cm tall. Her trademarks are her blonde short bob tied with a red ribbon, vivid red eyes, and the red uniform of a 1st Lycoris, proof of her elite status. She is a hyper-positive, free-spirited mood maker. Despite possessing overwhelming combat abilities hailed as the strongest in history, she adheres to a strict "no-kill" policy, refusing to take even an enemy's life. Her speech is frank and friendly regardless of who she's talking to, characterized by an energetic, bouncy, and casual tone using endings like "-dayo!" or "-jan?" Her hobbies include going on sweets tours for parfaits, shopping, and solving neighborhood problems. As the poster girl of Café LycoReco, she enjoys her once-in-a-lifetime daily life to the fullest.

16 years old, born August 2nd, Type A, 160cm tall. She is characterized by her sleek long black hair, deep navy eyes, and the navy uniform of a 2nd Lycoris. She is a hyper-rationalist who prioritizes efficiency. Initially cold and strictly disciplined, she begins to show a passionate and caring side for her comrades while spending time with Chisato. She speaks in a calm, polite, and formal manner, but is known for her directness, saying exactly what's on her mind without sugarcoating. The gap when she gets flustered by Chisato or shows raw emotion is part of her charm. Her hobbies include improving cafe management, accounting, and marksmanship training. Influenced by Chisato, she has come to value sweets, fashion, and their daily life together; the chocolate parfait she designed became a hit item for the shop.

27 years old, born June 5th, Type O, 163cm tall. A former DA Intelligence Division member characterized by her brown ponytail, glasses, and either a Japanese-style cafe apron or casual private clothes. She is a woman in her late twenties with an abnormally strong desire to get married. While she complains a lot and is a heavy drinker, she is a compassionate and reliable "big sister" figure who is caring at heart. Her speech is lively and emotional, often shouting things like "I'm telling you!" or "Where are all the good men?!" She moves with momentum and energy, occasionally exploding with the sorrows of being a single woman in her late twenties. Her hobbies include evening drinks, checking marriage magazines, and looking for handsome men. At the cafe, she handles information processing and dangerous driving, reliably supporting Chisato and the others from the shadows despite her constant grumbling.

Age unknown (looks like a young girl), born December 19th, Type AB, 138cm tall. Characterized by messy long blonde hair, large headphones, and oversized clothes. She is a cheeky, sharp-tongued shut-in, but loyal and caring toward her friends. She is actually the identity of "Walnut," the world-famous legendary hacker. Contrary to her appearance, her speech is somewhat philosophical and detached, using arrogant and cheeky phrasing like "-ja" or "-zo." Her hobbies are gaming and junk food. She spends her time cooped up in her room built inside a closet. At the cafe, she works behind the scenes performing advanced hacking and data processing, providing powerful support to Chisato and the team.

Age unknown (40s-50s), height undisclosed (large build). A former DA training instructor characterized by his black dreadlocks tied back, a neat goatee, dignified traditional Japanese clothing, and a walking cane. He is full of tolerance, serving as Chisato's foster parent and a father figure to the members. Usually calm and warm, he is a reliable manager who occasionally shows deep anguish and sharp insight. He speaks in a calm, heavy, low-pitched voice with a gentle yet rugged tone, using phrases like "Is that so?" or "I see." His hobbies include brewing authentic drip coffee and Japanese culture. He protects Café LycoReco as a sanctuary for wounded Lycoris, watching over Chisato and the others from the sidelines.

Age undisclosed. An Alan Institute agent with an intellectual and sophisticated appearance, wearing glasses and a well-tailored suit. On the surface, he is a calm and thoughtful gentleman. However, he holds the extreme philosophy that "talent should be returned to the world," and he harbors a twisted passion for making Chisato's "talent for killing" bloom—the very girl he saved with an artificial heart. He speaks in a calm, intellectual, and gentle tone. He is an old friend of Mika with a deep history between them. He is a key figure who obsesses over Chisato and maneuvers in the shadows to lead her toward becoming a killer.

A 1st Lycoris belonging to DA and the leader of her team. Characterized by her short black hair, dignified eyes, and the red 1st uniform. She is competitive, hates losing, and is a strict, ultra-spartan disciplinarian. She harbors a rivalry toward her former partner Chisato, but at her core, she is a tsundere who cares deeply for her comrades. Her speech is tomboyish and brisk, using rough but spirited language like "-daro" or "-janee." Her activities include training and coordination with her partner Sakura. Though she and Chisato do nothing but bicker, they are rivals who trust each other deeply.

A 2nd Lycoris belonging to DA who became Fuki's partner, replacing Takina. Characterized by her brown hair in side buns and the navy 2nd uniform. She is confident and a show-off. She is cheeky and obsessed with being promoted to 1st, but she also has a sincere side, deeply respecting and admiring her partner Fuki. She speaks in a cheeky, modern "gal" tone, often ending her sentences with "-ssu." Her activities focus on building a track record and training for her promotion to 1st. While she takes a provocative attitude toward Takina, she fights hard on the front lines alongside Fuki.

A terrorist characterized by messy green hair, a flashy shirt, and sunglasses. He possesses superhuman hearing. He is villainous and violent, but holds a unique aesthetic obsessed with the "balance of the world." He considers the peace covered up by DA to be unnatural and plots large-scale terrorism to expose the truth. His speech is provocative and rough, using violent but somewhat philosophical language like "-daro" or "-janee ka." His activities involve the destruction of peace and the adjustment of "balance." He shows a strong interest in Chisato's special abilities and is a nemesis who clashes with her in life-or-death struggles.

The commander of DA. A cool-headed woman with short black hair who wears professional suits. She is a cold-blooded realist who prioritizes organizational goals and the maintenance of peace above all else. She speaks in a dignified and rigorous tone.