- Birth Name: Baba Sayaka (馬場彩華)
- Date of Birth: May 2, 2004
- Place of Birth: Saga, Japan
- Blood Type: AB
- Height: 153cm
- Bands / Groups:
- She debuted on January 21, 2018, at the AKB48 Group 3rd Draft Kaigi.
- Her first choice as a draft member was HKT48.
- She is always laughing, but sometimes her eyes dart to various places.
- Her hobbies include iano, acoustic guitar, and making sweets.
- Her special talent is making sweets.
- She admires Yamamoto Sayaka and Sashihara Rino.