TV-Series
Description
Born on January 7, the Capricorn Ryoko Yoshida stands 125 cm tall with blue eyes and semi-long brown hair typically tied to one side. At 9 years old, she attends middle school in a sailor-style uniform distinct from her older sister Yuko's high school attire, and her blood type is A. Unlike Yuko, Ryoko shows no demonic traits like horns or a tail and possesses no inherent magical abilities. Former magical girl navigator Jikiel identified latent magical girl potential within her, but Ryoko declined the offer to avoid complications.

Exhibiting a calm, logical maturity beyond her years, she frequently provides strategic advice and solutions to family challenges. Deeply admiring Yuko, Ryoko believes her sister is destined to lead an army against the "Light Side" and aspires to serve as her advisor. This fuels her study of war tactics, strategy guides, and hardboiled novels—interpreting even fairy tales through tactical lenses. Her perceptiveness uncovers overlooked secrets, like Sion Ogura's true identity or the non-imprisonment circumstances of her father Joshua's disappearance. She speaks casually with family and friends, shifting to polite language when appropriate, and maintains this casual tone even with the ancestral demon Lilith.

Ryoko's birth followed Sakura Chiyoda's disappearance and Joshua's sealing inside a cardboard box, a fact whose non-punitive nature she deduced. As a "Dark Clan" member, she supports Yuko's demonic responsibilities without supernatural powers, aiding tactical planning and suggesting weapons or strategies against magical girls. Her bloodline allows participation in supernatural activities, such as entering sealed magical spaces to meet Lilith. She admires Momo Chiyoda as Yuko's subordinate, bonds with Mikan Hinatsuki, and befriends Sion Ogura through shared adventures and book exchanges—once mobilizing Yuko and Momo to rescue Sion when trapped.

Classmates recognize Ryoko as "the girl always reading hard books in the library." She enjoys photography, receiving a digital camera from Yuko after expressing interest; Momo Chiyoda praised her skills, and she uses a laptop from Momo for schoolwork and photo management. Personal trivia includes disappointment over differing blood types from Yuko and never eating nanakusa-gayu on her birthday. She appears in *Kirara Fantasia* as the game's youngest playable character, initially a ★4 Earth Alchemist and later as a ★5 Water Alchemist in a swimsuit variant.