- Name: Okuhara Hinako (奥原妃奈子)
- Nickname: Hiina (ひーな)
- Birthdate: November 18, 2003
- Birthplace: Shimane, Japan
- Blood Type: O
- Bands / Groups:
AKB48 Song Participation
|Teacher Teacher||Atarashii Chime||Team B|
|Nemohamo Rumor||Seikou Toutei||Team 8|
|Motokare Desu||Loss of time||Team K|
|Hisashiburi no Lip Gloss||Majika||2nd Generation|
|Doushitemo Kimi ga Suki da||Sayonara Janai||Team 8|
- After Abe Mei's graduation in August 2017, she was chosen from a new audition to be the AKB48 Team 8 representative of Shimane. During the team shuffle in 2017, she was announced for a concurrent position with Team B. She was transferred to Team K on April 19, 2022 during the AKB48 16th anniversary team shuffle. She was removed from Team 8 upon the team's disbandment on April 30, 2023. She announced her graduation on July 14, 2023. Her graduation was held on August 17, 2023.
- She loves making sweets and "twins dance".