In 2000, Reysol won the 3rd place in J1 League for two years in a row and he was selected Best Eleven award.

However manager Nishino left Gamba end of 2011 season and the club performance deteriorated soon.

In 2017, Myojin moved to J3 League club Nagano Parceiro; after three seasons, he opted to retire at the end of 2019.

[4] In June 1997, Myojin was selected Japan U20 national team for 1997 World Youth Championship.

At this tournament, he played full time in all four matches as defensive midfielder with Junichi Inamoto.