User: Sora Otosumi Motif: Mouse Role: A dedicated Meister serving the Mizuki family, a prestigious lineage with deep roots. He descends from a clan that has served as the Mizuki family's "Oniwaban" (secret guards) for generations. Abilities/Qualifications: Performs tasks to support the Mizuki household, such as cooking, cleaning, and repairs, with professional-level skill. Holds numerous certifications. Personality: Cynical and prone to making sarcastic remarks when Yuna, the young lady he serves, asks for favors. However, he is reliable and ultimately handles everything. He has an irresistible weakness for his favorite food, cheese. Combat Style: Highly experienced due to fighting the "Fukashigi" (Mysteries) since childhood, possessing an extremely high combat IQ. He is treated as an enemy by Maou and the others.

User: Kaburi Minetaka, leader of the mysterious organization "Zodiac Alliance" Motif: Red Cat Status and Personality: Awakened from a 100-year slumber to fight the monsters known as "Fukashigi." He possesses overwhelming charisma to lead the eccentric members of the alliance, yet also has a whimsical, cat-like side. Transformation Belt: Transforms by wearing the unique "Maou Driver" on his waist. He engages in the series' first-ever "Chest vs. Waist" belt showdown against the protagonist Mice, who wears his belt across his chest. Strength: Boasts overwhelming power that stands apart even among the Zodiac Riders.

User: Tatsumi Asao Motif: Black Cat Transformation Belt Style: While the protagonist Mice wears his belt on his "chest," Lido transforms by wearing his on his "waist." He plays a crucial role in the first-ever "Chest vs. Waist" transformation belt rivalry in the Kamen Rider series. Transformation System: He wears the same "Mice Driver" as the protagonist on his waist, but unlike Mice, he sets an expansion item called the "Hammer Bone Buckle" into the belt. By loading the egg-shaped key item "Ride Ex 1" and cracking it with the buckle's hammer gimmick, a cat pattern appears and the transformation is complete.

Personality/Traits: A calm, composed, and intellectual young man dressed in the style of a British gentleman. He possesses excellent insight, viewing matters from a broad perspective. Position: A reliable, big-brother figure within the Zodiac Alliance. He can be strict regarding the battle against the "Fukashigi" monsters, as it is a life-or-death struggle. Relationships: A long-time old friend and supporter of the alliance leader, Kaburi Minetaka (Kamen Rider Maou).

Transformed State: Kamen Rider Dat Appearance/Attire: A "Modern Girl" with a glamorous and slightly refined style, highly sensitive to trends. Personality (Gap): Contrary to her ladylike appearance, she has a prickly and competitive personality. She possesses a sharp contrast, sometimes speaking in a low, rough voice. Combat Style and Traits: Strongly inherits the characteristics of a rabbit. She has exceptional hearing, allowing her to be the first to detect the appearance of nearby "Fukashigi." She also has absolute confidence in her foot speed and constantly measures her time with a pocket watch. Relationships: Deeply devoted to the organization's leader, Kaburi Minetaka (Kamen Rider Maou).

Belief: Holds the unwavering ideology that "might makes right." Personality: Generally maintains a cool and intellectual demeanor, but hides a ferocity within and shows no mercy to enemies. Relationships: Sincerely worships the leader Kaburi (Maou) and maintains a stance of absolute obedience to his orders. Combat Style: Boasts overwhelmingly high combat power. He launches fierce consecutive attacks combining a "scythe" with the longest "tail" among the Zodiac Riders, leaving no opening for the mysterious "Fukashigi" or other hostiles to counterattack.

Always looks sleepy (spends more time sleeping than awake). Loves Ken-sama (Van Ken) dearly (extremely devoted and deep love). The most terrifying when angry (usually easygoing, but once she snaps, no one can stop her).

Holds the seat of the "Dog" in the Zodiac Alliance and serves as the organization's loyal watchdog. An intellectual, literary type who loves literature so much he always carries a poetry collection. Has an extremely sharp nose (sense of smell), detecting the presence of enemies early to engage in battle.

Holds the seat of the "Rooster" in the Zodiac Alliance and is the youngest genius warrior in the group. Despite waking up from a 100-year sleep, he is a modern kid who adapted to modern civilization like smartphones in seconds. Free-spirited and loose-lipped (often accidentally makes those around him angry with unnecessary comments).