Reo Mochizuki

Mochizuki made his official debut for Nagoya Grampus in the J1 League, J.League Cup on 24 April 2013 against Kashima Antlers in Kashima Soccer Stadium in Kashima, Japan. He was subbed in the match in the 46th minute for Ryota Isomura. Koyamatsu and his club lost the match 1–0. After one year on loan at Renofa Yamaguchi, he came back to Nagoya just to quit Grampus and sign a new deal with Kyoto Sanga. After three seasons in Kyoto, he opted to join Veertien Mie in January 2020.

In June 2011, Mochizuki was elected Japan U-17 national team for 2011 U-17 World Cup and he played 3 matches.