Yu Kimura

On 4 August 2012, Kimura scored the winning goal against Yokohama F. Marinos youth to win the championship.

Kashiwa Reysol

Kimura made his debut for Kashiwa against Ventforet Kofu on 13 April 2013.

Loan to V-Varen Nagasaki

Yu made his debut for V-Varen against JEF United on 8 March 2015. He scored his first goal for the club against Hokkaido Consadole Sapporo on 15 March 2015, scoring the only goal in the 20th minute. On 11 April 2015, Kimura scored V-Varen's 100th goal in the J2 League.

V-Varen Nagasaki

On 29 December 2016, Kimura was announced at V-Varen Nagasaki.

Loan to Kataller Toyama

On 19 June 2018, Kimura was announced at Kataller Toyama. He scored on his debut for Kataller against Thespakusatsu Gunma on 1 July 2018, scoring the only goal in the 86th minute.

Nagano Parceiro

On 21 December 2018, Kimura was announced at Nagano Parceiro. He made his debut for Nagano against Roasso Kumamoto on 10 March 2019. Kimura scored his first goal for the club against Thespakusatsu Gunma on 31 August 2019, scoring in the 82nd minute. On 17 December 2020, Kimura announced his retirement.

Kashiwa Reysol Emperor's Cup (1): 2012 J. League Cup (1): 2013