- Name: Okada Rina (岡田梨奈)
- Nickname: Okarina (おかりな)
- Birthdate: July 27, 1999
- Birthplace: Saitama, Japan
- Blood Type: A
- Height: 160cm
- Bands / Groups:
- Originally a member of AKB48 Kenkyuusei, a candidate for the 3rd AKB48 Group Draft that was drafted by Team K in the fifth round, she was promoted to Team K on July 27, 2019.
- Her first choice as a draft member was AKB48.
- She is funny and friendly, but she can be shy.
- Her hobbies include human observation, delusions, and listening to music.
- Her special talents are tennis and looking serious.
- She admires Miyawaki Sakura.