Kuromori Climb

Two childhood friends, Noboru and Anne, grow up in France and love cycling. Noboru has never beaten Anne in a race. One day Noboru has to return to Japan. Noboru and Anne make a promise to meet in the Tour de France as professional cyclists for their respective countries. A story of Noboru's struggle to fulfill that promise. The oneshot appeared in 2017 issue 19 of Weekly Shounen Jump.