- Name: Shimakura Rika (島倉りか)
- Birthday: August 20, 2000
- Birthplace: Tokyo, Japan
- Bloodtype: A
- Specialty: Eating watermleon quickly, catching insects
- Hobbies: Watching Hello! Project videos, karaoke, watching movies
- Looks Up To: Morito Chisaki, Inoue Rei
- Hello! Project groups:
- Hello! Pro Kenshuusei (2017–)
- Music Videos
-  Bokutachi Karen na Shounen Gasshoudan (僕たち可憐な少年合唱団)
- Made her first live appearance at the "Hello Pro Kenshuusei Happyoukai 2017 3gatsu ~Marching!~" event on March 11, 2017.
- Her favorite music is Hello! Project, Showa kayokyoku, and Disney.
- Her Favorite sport is badminton.
- Favorite food is watermelon.
- Her motto is "Doing one good deed each day."
- Thinks her charm point is the dimple that only appears on her left cheek.
- Her favorite school subject is physical education.