First names for Oonaga
- Hirota Oonaga 2
- Hiroshi Oonaga 2
- Hageshi Oonaga 2
- Yuuta Oonaga
- Yumi Oonaga
- Yukiko Oonaga
- Yoshikazu Oonaga
- Utarou Oonaga
- Tomoyasu Oonaga
- Tomomi Oonaga
- Seiki Oonaga
- Sayuri Oonaga
- Ryo Oonaga
- Mayu Oonaga
- Mai Oonaga
- Kazuya Oonaga
- Kazushi Oonaga