Harada played for Osaka SC was founded by his alma mater high school graduates and many Japan national team players Kiyoo Kanda, Shiro Azumi, Usaburo Hidaka, Toshio Hirabayashi, Setsu Sawagata, Kikuzo Kisaka, Yoshio Fujiwara and Shumpei Inoue were playing in those days.
In May 1923, Harada was selected Japan national team for 1923 Far Eastern Championship Games in Osaka.
But Japan lost in both matches (1-2, v Philippines and 1-5, v Republic of China).
[1] He was also selected Japan for 1925 Far Eastern Championship Games, but he did not compete, as he was the team's reserve goalkeeper behind Yanosuke Watanabe.
This biographical article related to a Japanese association football goalkeeper is a stub.