I Dol I (Korean: 아이돌아이) is a 2025-26 South Korean television series written by Kim Da-rin, directed by Lee Kwang-young, and starring Choi Soo-young and Kim Jae-young. The series follows Maeng Se-na, a renowned lawyer, as she defends her favorite idol, Do Ra-ik, against a murder charge. It aired on ENA on December 22, 2025, to January 27, 2026, every Monday and Tuesday at 22:00 (KST), and subsequently streaming on Genie TV.
Contents
Synopsis
When Maeng Se-na's favorite idol, Do Ra-ik, is wrongly accused of murder, the determined defense lawyer digs deeper, but finds a shocking truth about the man she idolized.
Cast and characters
Main
Choi Soo-young as Maeng Se-na
Park Sharon as young Se-na
A star lawyer known as the "Villain's Lawyer" who only handles the criminal cases that others don't want. Surprisingly, she's been a huge fan of the Gold Boys group for ten years, and she's fiercely loyal to her favorite member, Do Ra-ik. She meets him as a lawyer when he's accused of murder. She's sure he's innocent and wants to prove it. But as she learns more, she discovers a different side to him.
Kim Jae-young as Do Ra-ik
Heo Jun-seo as teen Ra-ik
Kim Hee-seong as young Ra-ik
The visual center and vocalist of Gold Boys who becomes a murder suspect. He hates his sasaeng fan more than anything else in the world. He's tired of living life on others' terms and wants privacy. He's a Gold Boys member who went solo, but changed his mind and wanted to return to the group. Then, tragedy strikes when Woo-seong dies at his place, making him a murder suspect.
Jung Jae-kwang as Kwak Byung-gyun
A prosecutor from a prestigious legal family, known for being cold-blooded, clashes with his former school rival, Se-na, over the Ra-ik case.
Choi Hee-jin as Hong Hye-joo
Ra-ik's ex-lover.
Kim Hyun-jin as Park Chung-jae
Se-na's private investigator.
Supporting
Park Jeong-woo as Choi Jae-hee
The drummer of the Gold Boys band.
Choi Geon as Lee Young-bin
The youngest member of the Gold Boys band.
Ahn Woo-yeon as Kang Woo-seong
A member of the Gold Boys band, who dies mysteriously, sending shockwaves through the fandom and sparking a tangled investigation.
Oh Gi-gwang as Youngest detective
The youngest detective with sharp instincts uncovers the truth behind the murder case involving Ra-ik.
Production
The series is planned by KT Studio Genie, directed by Lee Kwang-young, written by Kim Da-rin, and AStory managed the production.
In February 2025, Kim Jae-young and Choi Soo-young were reportedly set to star. On August 6, Choi Soo-young and Kim Jae-young were officially confirmed to star. On August 14, Saram Entertainment announced that Choi Hee-jin had been cast. On August 28, Kim Hyun-jin was confirmed to appear. On September 24, Park Jung-woo's appearance was confirmed.