Kaisei Yui
Kaisei Yui is a Japanese track and field sprinter who specialized in the 400 metres. He competed in the 4 × 400 metres relay at the 2014 World Indoor Championships without qualifying for the final.
Kaisei Yui is a Japanese track and field sprinter who specialized in the 400 metres. He competed in the 4 × 400 metres relay at the 2014 World Indoor Championships without qualifying for the final.