On November 2, it was announced on ANGERME's YouTube Channel that Kawana had joined ANGERME as a 9th generation member, alongside Matsumoto Wakana and Tamenaga Shion. She and the rest of the 9th generation started performing with the group on December 9, at the ANGERME Concert 2020 ~Kishotenketsu~ Funaki Musubu Sotsugyou Special concert. 
She has an older sister.
As of April 2021, Kawana is in her last year of high school.
Here is a list of nicknames that was used to refer to Kawana Rin:
- Narin-chan (なりんちゃん): Nickname used by members.
- Name: Kawana Rin (川名凜)
- Nicknames: Narin-chan (なりんちゃん)
- Birthdate: December 6, 2003
- Birthplace: Chiba, Japan
- Blood Type: B
- Western Zodiac: Sagittarius
- Eastern Zodiac: Goat
- Hello! Project Status:
- 2020-11-02: ANGERME member
- UP-FRONT PROMOTION Status:
- 2020-11-02: Member
- ANGERME Color:
- Hello! Project Groups:
- ANGERME (2020-present)
- She shares the same birthday with former Morning Musume 2nd generation member Yasuda Kei.
- She plays the violin.
- She's left-handed
- She and Matsumoto Wakana already knew who fellow 9th generation member Tamenaga Shion was, because they both followed Hello! Project and Hello Pro Kenshuusei.
- She loves frogs.
- Gallery:Kawana Rin
- Gallery:ANGERME 9th Generation
- List:Kawana Rin Discography Featured In
- List:Kawana Rin Concert & Event Appearances
- List:Kawana Rin Publications Featured In
- List:Kawana Rin Pocket Morning Weekly Q&A
- "アンジュルム 新メンバー決定！" (in Japanese). Hello! Project. 2020-11-02.
- BLT magazine January 2021 issue.