First names for Sadanaka
- Yuki Sadanaka 2
- Yoshikazu Sadanaka
- Yasumi Sadanaka
- Terumi Sadanaka
- Shanu Sadanaka
- Ryota Sadanaka
- Nobuyuki Sadanaka
- Miyuki Sadanaka
- Mieko Sadanaka
- Masayuki Sadanaka
- Kazue Sadanaka
- Disuru Sadanaka
- Daisuke Sadanaka
- Akira Sadanaka