Matsumoto Yamaga announced the resignation of Under-15 manager Isaku Narita on Friday.
The 37-year-old first joined the club in 2006, managing the U-15, U-14, and U-13 teams at various points.
“I’m thankful for the support I’ve received from the Yamaga family over the last 10 years,” Narita said in a statement posted to the club’s website.
“I want to use everything I’ve learned at the club to set off on a new challenge.
“I’m proud to have been a part of Matsumoto Yamaga.”