First names for Koaayashi
- Yuto Koaayashi
- Tomoko Koaayashi
- Takumi Koaayashi
- Shoji Koaayashi
- Rytji Koaayashi
- Reina Koaayashi
- Minori Koaayashi
- Masaki Koaayashi
- Keiko Koaayashi
- Kayoko Koaayashi
- Jun Koaayashi
- Fumie Koaayashi
- Eiji Koaayashi
- Chihiro Koaayashi