However manager Nishino left Gamba end of 2011 season and the club performance deteriorated soon. In 2012, Gamba finished at the 17th place of 18 clubs and was relegated to J2 League. Gamba won the champions in 2013 season and returned to J1 in a year. In 2014 season, Gamba won all three major title in Japan, J1 League, J.League Cup and Emperor's Cup. Endo was selected "J.League MVP" first time and "Japanese Footballer of the Year" second time. Although he played as regular player for a long time, his opportunity to play decreased in 2020. In October 2020, he moved to J2 League club Júbilo Iwata.