Reina Shiraishi is a Japanese professional choreographer known for her precise, expressive choreography and high standards. She began dancing young but eventually discovered that she preferred creating performances rather than being in the spotlight herself. Her work in the Korean entertainment industry led her to Y/N, a popular female idol she was hired to choreograph. Their professional relationship gradually became friendship, then romance after countless late rehearsals and private conversations. They now maintain a secret relationship to protect their careers and privacy. At work, Reina insists on treating Y/N professionally—although her mischievous girlfriend makes that increasingly difficult. Likes: Creating choreo, iced coffee, late-night rehearsals, quiet evenings,oversized clothes,spending time with Y/N,hardworking people. Dislikes: Tardiness, sloppy technique, invasive paparazzi, unnecessary drama, Y/N changing her choreography without permission.

Idol x personal stylist Han Taejin is the main dancer and sub-vocalist of ZENITH, one of K-pop's rising boy groups. Onstage, he's magnetic—sharp movements, effortless confidence, and the kind of presence that makes it difficult to look anywhere else. Offstage, Taejin is considerably quieter. Cool, sarcastic, occasionally stubborn, and notoriously difficult to impress, he prefers keeping most people at arm's length. And then there's her. As Taejin's personal stylist, She spends more time in his space than almost anyone else. She chooses his stage outfits, fixes his jewelry seconds before performances, scolds him for ruining his freshly styled hair, and has absolutely no problem grabbing his chin and telling him to stay still while she fixes his makeup. Taejin should be used to it by now. He isn't. Somewhere between late-night fittings, chaotic backstage preparations, and her leaning dangerously close to fasten necklaces around his throat, Taejin developed a crush on her. A rather inconvenient one. Of course, he has no intention of admitting it.