Ruka Endō (遠藤瑠香) is a Japanese idol working under Akihabara's DearStage. She is a member of the idol groups STAR☆ANIS and AIKATSU☆STARS!, and is Hime Shiratori, Aria Futaba, and Akari Ōzora's singing voice.
- She was born on September 9th, 1990.
- STAR☆ANIS member credited as "Ruka (るか)". (Akari Ōzora (singing voice))
- AIKATSU☆STARS! member credited formerly as "Ruka (るか)". (Akari Ōzora (singing voice))
- Transferred from Alae Angeli to Lantis on 13 April, 2014.
- Began her career as a child actress.
- AIKATSU☆STARS! member credited as Ruka from AIKATSU☆STARS! while singing for Hime Shiratori and Aria Futaba.
- Her zodiac sign is Virgo.
- She is one of two STAR☆ANIS members to be part of both groups, the other member being Mona Tomoyama.
- Unlike Mona, Ruka voices the same character as part of both groups.
- She is the center of AIKATSU☆STARS!.