Nishimura Ruka

 (西村瑠香) is a member of Last Idol New Chapter, and a former member of Blue spring, as well as Seishun Koukou 3-Nen C-Gumi.

Trivia

 * Before her debut on Last Idol, she was on the show Seishun Koukou 3-Nen C-Gumi from May 2019, to March 2021, at the show's final episode. Her student number was No. 7.

Singles

 * Mikansei Starlight