A 4th grader with a brown bob and green eyes. She is cheerful, positive, honest, and kind, with a strong inner core. Her hobbies are cooking and sewing. She speaks softly, often saying things like "I think so." She is easily embarrassed. Her battle costume resembles a magical girl. She is the Cardcaptor. 1st person: I (Watashi) 2nd person: -chan, -kun. She adds -san to the names of those older than her. She calls her brother "Onii-chan."

A 4th grader with keen insight. She loves Sakura more than anyone and possesses a selfless love, prioritizing Sakura's happiness above all else. She has a calm personality. Long black hair and purple eyes. She is the daughter of a company president. 1st person: I (Watashi) She uses refined, ladylike polite speech (Desu/Masu). She calls Sakura "Sakura-chan" and Syaoran "Syaoran-kun." She adds -san to everyone else's name.

A 4th grader. He is competitive and driven by a sense of duty, initially viewing Sakura as a rival. Brown hair and brown eyes. He can be blunt and sometimes acts coldly toward Sakura. He is easily embarrassed. He uses Chinese martial arts. He is a collaborator. 1st person: I (Ore) He addresses everyone except elders without honorifics. He has a tsundere-like tone, often using "-daro."

A 4th grade girl. Black hair in twin tails and orange eyes. She is strong-willed, cheerful, and a mood-maker who brightens her surroundings. Her emotions show immediately on her face and in her words, but she is kind at heart and gets lonely easily. She uses Chinese martial arts. She is Syaoran's childhood friend. Her speech style is energetic, often ending with "-nano yo!"

Touya's best friend. A high school junior. A popular, handsome guy who excels in both academics and sports. He is slender with drooping eyes and is somewhat airheaded. He is a big eater. Height: 174cm. He is gentle and kind, speaking with "-nano?" or "-dayo." 1st person: I (Boku). He lives with his grandparents. He has silver-white hair, golden eyes, and wears thin-rimmed round glasses. Touya calls him "Yuki." His true identity is Yue, one of the guardians of the Cardcaptor and the Judge. He addresses younger people with -chan or -kun and calls Touya by his name without honorifics. Yukito and Yue's consciousnesses are completely separate; Yukito has no memory of being Yue, but Yue remembers everything from Yukito's time.

Sakura's brother, seven years her senior. A blunt young man. His speech is rough, using "-jane-no" or "-daro." 1st person: I (Ore) Height: around 180cm. A handsome guy who is capable at everything. He was aware of Yukito's true identity. When Yukito was in danger of vanishing, Touya transferred his magical power to him on the condition that he "protect himself." He addresses everyone without honorifics.

The Guardian Beast of the Cards and the one who selects the Sealer. Yue's partner. He is a female lion with white wings, but usually appears in a small, deformed mascot-like state. He is usually floating in the air. His nickname is Kero-chan. He is the mood-maker of the group.

Appears as an expressionless young man. He has long white hair tied back at the waist. Large, beautiful white wings grow from his back, and he is strikingly handsome with silver eyes. His personality is cold and aloof. He understands Yukito's heart from within better than Yukito himself. While watching over Yukito, he cares for him and respects his wishes. He cannot speak to Yukito from within. He can switch places with Yukito at his own initiative.