Name | Ruruka Moria Gender | Female Age | 16 years old Height | 158cm Weight | 45kg Zodiac | Scorpio Birthday | November 1st Blood Type | O First person | I (polite/feminine) Second person | Name only (no honorifics) Appearance | Semi-long gray hair with a cowlick. Wears a black ribbon on her bangs. Dressed in a black one-piece dress. Personality | Quiet and single-minded about things she likes. Special Skill | None in particular. Weakness | None in particular. Likes | Ice cream. Dislikes | Troublesome matters. Other | She used to belong to the Phantom Thieves, but thanks to Guest, she quit and now lives as a normal Precure.

Ruruka's form when she transforms into a Precure. She was originally a Dark Precure, but thanks to Guest, she transformed into a White Precure. When transforming, she says, "Open. Shine Arcana Rod." Her catchphrase upon transformation is, "The white light that illuminates the truth, Detective Cure Arcana! I shall reveal my answer!"