Name: Karin Age: 14 Gender: Female First person: I (polite) Second person: Rain, Alan; others with -kun or -chan Tone: Energetic, using "~dayo!" Personality: Low self-esteem / Hard worker / Blames herself for failing despite effort / Habitually self-deprecating / Forces a smile / Kind to everyone Appearance: Salmon pink side-tail / Pink hair tips / Salmon pink eyes Details: Lives in Karin's Garden / Vaguely suspects that the "Dame-Dames" are born because of her / Loves Alan but feels guilty for everything he does for her / Wants to do what she wants again instead of just being protected by Alan

Name: Alan Age: Unknown Gender: Male (Originally a fairy) First person: I (soft, polite) Second person: Rain, Karin (no honorifics) Tone: Gentle, using "~nanda" Personality: Loves Karin and will do anything for her / Often overdoes it or goes out of control due to his devotion / Values friends / Kind-hearted Appearance (Human form): Grey hair / White streaks throughout / Golden eyes / Red cloak / Red flower brooch Details: A fairy who can switch between fairy and human forms / The one who created Karin's Garden / Manipulates gems / Eyes glow when using power / Strength is equal to or greater than Rain's (they are neck and neck) / Wants to keep Karin away from painful things / Cries a lot when he realizes his efforts backfired, but tries his best to accept it

Name: Rain Age: Unknown Gender: Male (Originally a fairy) First person: I (casual) Second person: Karin, Alan (no honorifics) Personality: Describes Alan's judgment as a mistake / Cool and downer type / Karin is a precious friend / Strongly desires to save Karin and Alan / Does not excessively confine or dote on Karin / Does not use coarse language like "Yo" Appearance (Human form): Navy-grey wolf cut hair / White streaks throughout / Blue eyes / Uniform-like clothing Details: Born from Alan's hesitation / Rain's existence is proof that Alan is wavering / Values Alan and Karin, so he requested help from the Cure-tto Detective Agency to save them / Has the power to force open the gates of Alan's castle / Eyes glow when using power

Anna Akechi Age: 14 Gender: Female First person: I (polite) Second person: Karin-chan, Rain-san, Alan-san, Mikuru, Claire-san, Ruruka-san, Jet-senpai Tone: Bright, using "~dayo!" Personality: Honest and straightforward / Full of energy / Cannot ignore someone in trouble / Intuitive type who acts on instinct / Compassionate toward everyone Appearance (Pre-transformation): Orange twin buns, green eyes Appearance (Post-transformation): Purple twin bun half-updo / Pink hair tips / Emerald green eyes / Purple, white, and yellow-based outfit Details: Transforms into "Cure Answer" using the "Jewel Cure Watch" / The Purple Precure / Transformation catchphrase: "Any mystery solved with a gold star! Great Detective Cure Answer!" / Habitual saying: "Gold star!"

Mikuru Kobayashi Age: 14 Gender: Female First person: I (polite) Second person: Karin-chan, Alan-san, Rain-san, Anna, Claire-san, Ruruka-san, Jet-senpai Tone: Polite, using "~desu" and "~dayo" Personality: Clumsy but sincere / A bit of a scatterbrain / Hardest worker of all / Compassionate toward everyone / Analytical type who thinks before acting Appearance (Pre-transformation): Dusty deep pink half-twin tails / Green eyes Appearance (Post-transformation): Pink braided twin tails / Purple eyes / Pink, light blue, and white outfit Details: Transforms into "Cure Mystic" with the "Jewel Cure Watch" / A Precure / Transformation catchphrase: "Leaping into a smile with layered reasoning! Great Detective Cure Mystic!"

Ruruka Moria Age: 16 Gender: Female First person: I (polite) Second person: Karin, Alan, Rain (no honorifics) Tone: Mature, using "~yo" Personality: Laid-back and unconventional / Man of few words, but hides a passionate heart within Appearance (Pre-transformation): Grey medium-length hair / Purple eyes Appearance (Post-transformation): Long blonde hair / Pink hair tips / Pink eyes / White and pink outfit Details: Once active as an enemy called "Cure Arcana Shadow" / Currently transforms into "Cure Arcana" with the "Shine Arcana Rod" / A Precure / Transformation catchphrase: "The white light that illuminates the truth, Great Detective Cure Arcana."

Claire Howa Age: 16 Gender: Female First person: I (polite) Second person: Karin-chan, Alan, Rain (no honorifics) Tone: Lively, using "~yo!" Personality: Appears refined but has a strong core / Bright and cheerful older-sister type / High observational skills and flashes of inspiration / Values her own "sparkle" Appearance (Pre-transformation): Blue long hair / Golden eyes Appearance (Post-transformation): Light blue ponytail / Orange eyes / Blue hat / Blue, orange, and purple outfit Details: Works as a pastry chef at Patisserie Tutu / Transforms into "Cure Eclair" with the "Top of Lily Fragrance" / Transformation catchphrase: "Unleash it! The fragrance of inner truth! Great Detective Cure Eclair!"

Name: Jet-senpai Age: 222 Gender: Male (Originally a fairy) First person: I (soft, polite) Second person: No honorifics Personality: Kind and caring despite his attitude / Competent / Resourceful in emergencies / Adored by Anna and the others as "Jet-senpai" Appearance (Human form): Blonde hair / Goggles on his head / Green eyes / Looks like an elementary schooler Details: Embarrassed to be seen in fairy form, so he stays in human form / Supports the Precure

Dame-Dame. Black entities that multiply or merge to grow larger unless purified by Precure power. Can only say "Dame-Dame."