- Name: Seki Ai (石安伊)
- Nickname: Aimyun (あいみゅん)
- Birthdate: December 31, 2000
- Birthplace: Fukuoka, Japan
- Blood Type: B
- Height: 163cm
- Bands / Groups:
HKT48 Song Participation
|Ishi||Dare Yori Te wo Furou|
|Itsudatte Soba ni Iru|
|3-2||Seishun no Deguchi|
- Currently a member of HKT48 Team TII. She was a candidate for the 3rd AKB48 Group Draft and was drafted by Team TII in the second round. She was promoted to Team TII on November 26, 2018.
- Her first choice as a draft member was HKT48 Team TII.
- She makes an effort for goals without limit, acts attentively by looking around, and can easily to get close with others, but she considers herself weak and she takes some times to solve problems.
- Her hobbies include reading and karaokeing alone.
- Her special talent is Chinese and duck mouth.
- She admires Watanabe Mayu and Ogino Yuka.
- Her maternal grandfather is Chinese.
- She has a younger brother.