Usami was born in Nagaokakyo on May 6, 1992. He joined J1 League club Gamba Osaka in 2009. He played many matches from the 2010 season and was selected "J.League Rookie of the Year award". In July 2011, he moved to German Bundesliga club Bayern Munich on loan. However there were few opportunities to play. In summer 2011, he moved to Hoffenheim on loan. In June 2013, he returned to Gamba in J2 League. He scored 19 goals in 18 matches and Gamba was promoted to J1 end of the 2013 season. In 2014, Gamba won all three major title in Japan; J1 League, J.League Cup and Emperor's Cup. He was also selected Best Eleven in 2014 and 2015. In July 2016, he moved to Germany again and joined Bundesliga club Augsburg. In 2018, he moved to 2. Bundesliga club Fortuna Düsseldorf. Düsseldorf was promoted to Bundesliga end of the 2017/18 season. In June 2019, he returned to Gamba.