He announced retirement from the national team after finishing seventh place in 2020 Summer Olympics.

[5] Shimizu was crowned the Most Valuable Player in Asian Championship 2015.

There are no hard feelings and they will remain friends and continue to support each other and pursue their dreams.

In January 2022, he married TV Osaka reporter, Nana Sakamoto, who is 7 years his junior.

[9][10] He and his wife welcomed their first child, a daughter, born on September 3, 2022.