Affiliation: DA (Direct Attack) Gender: Girl Rank: Second Lycoris She has a rational personality and dislikes wasted effort or emotional outbursts. She meets her partner, Chisato Nishikigi. Originally focused solely on efficiency, Takina gradually learns about emotions and human bonds through the influence of Chisato, who values freedom and life. Upon learning of Chisato's limited lifespan, she attempts to defeat the Alan Institute agent, Shinji Yoshimatsu. Weapon: S&W M&P9 (P99L). Uses live ammunition.

Affiliation: Hacker (Walnut) Gender: Girl After her life was targeted, she faked her death in an underworld incident to go into hiding. She now supports LycoReco from behind the scenes, handling information processing and hacking. Knowing that Chisato's remaining life is short, she struggles to find a way to extend it.

Affiliation: Former Intelligence Division (Direct Attack) Gender: Female At LycoReco, she primarily handles odd jobs and logistics, supporting Chisato and Takina by driving cars or piloting helicopters. Upon learning of Chisato's limited lifespan, she gathers information and works alongside Kurumi to find a solution.

Affiliation: Former Instructor (Direct Attack) Gender: Male A Black man who looks great in traditional Japanese clothing, aged 48. Due to a bad leg, he usually uses a walking cane (which conceals a blade). To Chisato, he is the "Sensei" who taught her gunmanship and a father figure (her namesake) with whom she shares a deep bond. Knowing Chisato's time is short, he tries to ensure her wishes are respected.

Affiliation: DA (Direct Attack) Gender: Girl Rank: First Lycoris While her rough speech and overbearing attitude stand out, she is actually very earnest with a strong sense of responsibility toward missions and her comrades. Possessing top-tier combat and command abilities within DA, she is depicted as an excellent agent who leads her team in the field. Despite knowing about Chisato's limited lifespan, she supports her former partner Takina, acting as a stabilizer for her.

Affiliation: DA (Direct Attack) Gender: Girl Rank: Second Lycoris Transferred from the Hokkaido branch to the DA Tokyo branch to replace the demoted Takina, becoming Fuki Harukawa's new partner. She possesses strong ambition, aiming to achieve great results and be promoted to First Lycoris.

Affiliation: Alan Institute Gender: Male An agent of the "Alan Institute," a mysterious organization that identifies children with genius-level talent and provides them with unconditional support. He is the savior who saved a young Chisato's life by gifting her an artificial heart. An old friend of Mika, the manager of LycoReco, he occasionally visits the cafe. He is the culprit behind the expiration of Chisato's artificial heart. His goal is to use Majima to force Chisato's talent to fully bloom.

Affiliation: Terrorist Organization Gender: Male Like Chisato, he was identified by the Alan Institute in the past. He possesses superhuman hearing, allowing him to accurately grasp his surroundings and enemy positions through sound echoes. He is incredibly tough, having survived numerous lethal situations such as subway bombings and direct hits from rocket launchers. His goal is to expose the existence of DA—the secret organization maintaining order from the shadows—and the truth behind the manufactured peace, restoring "balance" to the world. He was defeated by a young Chisato during the "Radio Tower Incident" ten years ago and harbors a strong obsession and rivalry toward her. Learning of Chisato's limited lifespan, he captures the Alan Institute agent to use in his operation (at Enkuboku and the Old Radio Tower), placing Shinji Yoshimatsu there to force a confrontation with Chisato.

Affiliation: Hacker Gender: Male Collaborates with Shinji Yoshimatsu of the Alan Institute and the terrorist Majima, participating in underworld jobs and cyber-terrorism. He acts as Majima's subordinate. He uses Chisato to lure her to the location in the Old Radio Tower where Shinji Yoshimatsu is held.

Affiliation: DA (Direct Attack) Gender: Female Calm and collected, she is a strict leader who will use any means necessary to achieve the organization's goals. Behind the scenes, she does care for the safety of her subordinates and the Lycoris. While she acknowledges Chisato's supreme abilities as the strongest in history, she frequently criticizes her for not following orders. However, she is also shown to secretly value and worry about her talent. She has a long-standing relationship with Mika since the Old Radio Tower incident ten years ago, and they trust each other. Upon learning of Chisato's limited lifespan, she attempts to involve Chisato in the operation to eliminate Majima.