Career
He was discovered and signed based on his performance in the December 2007 open tryout, becoming thus far the only Mito player to be signed without having been scouted or promoted. During the 2013-2014 winter transfer window, Hoshino joined the newly formed Latvian Higher League club FK Liepāja. He left the club in July 2014.
In August 2014, he signed for FK Auda for 1 year.