Kokone Kurisu transfers to Starlight School as an exchange student from Étoile Academy, originally hailing from Kobe where she gained recognition as a local idol. Her family's renowned sweets shop, Châtaigne, later expands with a branch near Starlight School.

She possesses golden eyes and distinct tangerine hair styled in a curled ponytail secured by a green bow, complemented by notably curled eyelashes. Her typical attire is Étoile Academy’s uniform: a brown blazer with white lining, green tie, and green plaid skirt.

Confident yet quirky, Kokone frequently declares her catchphrase, "Whichever path I choose, the world is centered around Kokone!" expecting the Kobe-practiced response "You said it!"—an expectation that initially frustrated her at Starlight when unrecognized, highlighting her sensitivity to being overlooked. She exhibits stubborn determination in pursuing goals but tackles commitments with intense passion. Her deep love for sweets includes Châtaigne Rolls, roasted chestnuts, and omelets.

Kokone excels at finding four-leaf clovers and leverages her confectionery background to assist others. She notably aided admired former idol Shun Yotsuba in developing a new doughnut recipe during a creative block, simultaneously forging connections at Starlight.

Her primary partnership with Miyabi forms the unit Sweet & Soft☆Nadeshiko. Their friendship sparked during filming for an idol mountain climbing show. Kokone admires Miyabi’s strength and composure, while Miyabi values Kokone’s talent for motivating and involving others.

Etymologically, her surname "Kurisu" blends "kuri" (chestnut) and "su" (perch/roost), reflecting her sweets association. "Kokone" lacks direct meaning but puns on "koko ne" ("here"), with potential kanji like "此音".

Trivia notes her August 21 birthday, Leo zodiac, blood type A, 158 cm height, status as Kobe’s first known idol, and achievement as the second second-generation idol to obtain a Premium Dress pre-debut.