- Birth Name: Sugiura Kotone (杉浦琴音)
- Nickname: Kotochan (ことちゃん)
- Date of Birth: December 18, 2000
- Place of Birth: Aichi, Japan
- Blood Type: O
- Height: 158cm
- Bands / Groups:
NMB48 Song Participation
|Boku Datte Naichau yo||Yume wa Nigenai||Kenkyuusei|
|Tokonoma Seiza Musume||2banme no Door|
- Currently a member of NMB48 Kenkyuusei. She was a candidate for the 3rd AKB48 Group Draft and was drafted by Team M in the fourth round.
- Her first choice as a draft member was NMB48.
- She has a cooperative attitude, but she has an irregular tone.
- Her hobbies include watching NMB48 Theater performances and participating in handshake events.
- Her special talent is making sweets.
- She admires Shibuya Nagisa.