He had made a promise to his mother to become serious about acting and through his multitude of part-time jobs, was eventually scouted and passed an audition making his way into his debut in 2000.

Come 2003, he performed in his first period film, Azumi, which became a box office hit and allowed Hiroki to display his swordplay skills from daily training.

In 2004, Hiroki returned to the stage in the Shakespearean play "Oki ni Mesumama (As You Like It)" and had a supporting role in the TBS drama Orange Days.

The next year, he starred in the TBS series "Ima, Ai ni Yukimasu" and was featured in four films, including Nana, the sequel for which was released December 2006.

Hiroki has also appeared on more than 10 covers of fashion and other magazines in the past year and received the 2005 Crystallized Style Award (presented by Swarovski).

[3] On December 9, 2016, Narimiya sent a fax to TV news channels announcing that he was leaving the entertainment industry due to allegations he used cocaine.