Initially, Kawamura wanted to become an actor but after a close friend of his lent him an Exile album during his third grade of junior high school, he was so impressed by the group, especially their vocalist Takahiro, that he changed his goals.

Ultimately, he passed the audition as one of three winners out of 30 thousand contestants alongside Hokuto Yoshino and Riku Aoyama and became a vocal candidate for THE RAMPAGE.

[9] There, he performed "Take on Me", a cover of A-ha's 80s hit and insert song of the show, alongside Nobuyuki Suzuki who played the other Kyogoku brother.

[10][11] On September 7 in the same year, Kawamura was invited to the 29th Tokyo Girls Collection (Autumn/Winter) at Saitama Super Arena together with the main cast of the movie High & Low The Worst in which he stars as Fujio Hanaoka.

[12] A few months after, he also appeared at the 30th Tokyo Girls Collection (Spring/Summer) alongside the main cast of the movie Kizoku Tanjou -Prince Of Legend-.