- Stage Name: Matsuda Miko (松田美子, 마츠다 미코)
- Birth Name: Okada Risako (岡田梨紗子)
- Nicknames: Risapoyo (りさぽよ)
- Birthdate: October 28, 1995
- Birthplace: Osaka, Japan
NMB48 Single Participation
- Debuted in Korea with girl trio Honey Popcorn. She left the group on December 23, 2018.