Ruko

 (瑠香) is a Japanese idol, a member of Kocchimuite Darling and a former member of DIANNA Project Renshuusei and its trainee group Hamu!STAR.

She joined DIANNA Project Renshuusei on August 14, 2020.

She graduated from Hamu!STAR on May 6, 2023 and remained as a renshuusei.

On June 27, 2023, she was announced as a new member of Kocchimuite Darling along with Koto from DIANNA Project Renshuusei.

Profile

 * Hobbies: Skipping rope, string figure, and origami.
 * Favorite Food: Pudding.