Birth Name: Akiyama Kokona 秋山心響

Position: Main Rapper, Sainenshō (Youngest)

Birthday: December 6, 2005

MBTI: INFJ

Nationality: Japanese

Representative Color: Green

Representative Emojis: 🍄

- She was the third member to be revealed. She was revealed in January 31, 2022.
- Cocona is a student of AVEX Artist Academy and a member of its project group, A-CE.
- She won the 2018 Kira Challe audition in the singing category.