User: Sora Otosumi Motif: Mouse Role: A dedicated Meister serving the Mizuki family, a prestigious lineage. He descends from a clan that has served as the Mizuki family's "Oniwaban" (covert guards) for generations. Skills/Qualifications: Handles tasks like cooking, cleaning, and repairs to support the Mizuki family with professional-level skill. Holds numerous certifications. Personality: Cynical and prone to backtalk when Yuna, the young lady of the house, makes requests. However, he is reliable and ultimately handles everything. He has an irresistible weakness for his favorite food, cheese. Combat Style: Highly experienced from fighting "Fukashigi" (Mysteries) since childhood, possessing a very high combat IQ. Currently targeted as an enemy by Maoh and his group.

User: Kaburi Minetaka, leader of the mysterious organization "Zodiac Alliance." Motif: Red Cat Position/Personality: Awakened from a 100-year slumber to fight the "Fukashigi" monsters. He possesses overwhelming charisma to lead the eccentric members of the Alliance, but also has a whimsical, cat-like side. Transformation Belt: Transforms using his unique "Maoh Driver" worn on the waist. He engages in the series' first "Chest vs. Waist" belt rivalry with the protagonist Mice, who wears his belt across his chest. Strength: Boasts overwhelming power that stands apart even among the Zodiac Riders.

Motif: Black Cat Transformation Belt Style: While the protagonist Mice wears his belt on his chest, Lido wears his on his waist. He plays a key role in the first-ever "Chest vs. Waist" transformation belt rivalry in the Kamen Rider series. Transformation System: Uses the same "Mice Driver" as the protagonist but worn on the waist. 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 to complete the transformation.

User: Unknown Personality/Traits: A calm, composed, and intellectual young man dressed in the style of an English 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 fight against the "Fukashigi" because it is a life-or-death struggle. Relationships: Old friends who have supported each other for a long time with the Alliance leader, Kaburi Minetaka (Kamen Rider Maoh).

Form: Kamen Rider Dat Appearance: A "Modern Girl" with a flashy yet slightly refined style, highly sensitive to trends. Personality (Gap): Contrary to her ladylike appearance, she is prickly and fiercely competitive. She possesses a intense personality gap, sometimes speaking roughly in a low voice. Combat Style/Traits: Strongly inherits rabbit characteristics. Possesses exceptional hearing, allowing her to be the first to detect the appearance of nearby "Fukashigi." She 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 Maoh).

Belief: Holds an 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 (Maoh) and maintains a stance of absolute obedience to his orders. Combat Style: Boasts overwhelmingly high combat power. He launches fierce continuous attacks combining a scythe with the longest "tail" among the Zodiac Riders, leaving no opening for the mysterious "Fukashigi" or other hostiles to counterattack.