[3] made his league debut for Ehime against Yokohama FC on 2 March 2014.

[9] Harakawa made his league debut against Kashiwa Reysol on 27 February 2021.

[11] On 24 July 2023, Harakawa was announced on loan at FC Tokyo.

[14] On 18 December 2023, Harakawa was announced at FC Tokyo on a permanent deal.

[15] In August 2016, Harakawa was selected in the Japan U-23 national team for the 2016 Summer Olympics.