Asano was born in Komono, Mie on November 10, 1994. After graduating from Yokkaichi Chuo Technical High School, he joined J1 League club Sanfrecce Hiroshima in 2013. He played many matches from 2014. In 2015, Hiroshima won the champions. He was also selected "Best Young Player award". In August 2016, he moved to German 2. Bundesliga club Stuttgart and played in 2 seasons. Stuttgart was promoted to Bundesliga end of the 2016/17 season. In 2018, he moved to Hannover. However Hannover was relegated to 2. Bundesliga end of the 2018/19 season. In 2019, he moved to Serbian SuperLiga club Partizan.