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Kazama's interest in television dramas led him to audition for Johnny & Associates in 1997, during his second year of junior high school, at the encouragement of his family. He debuted that same year with the group Shonentai and continued as a Johnny's Jr. He also worked as a backup dancer for groups like TOKIO and V6. Despite joining B.I.G. in September 1998, a hiatus due to high school exams led to a shift in his role within the agency.

In 2000, Kazama ventured into voice acting, debuting in the TV anime "Yu-Gi-Oh! Duel Monsters".

In early May 2013, Kazama married a non-celebrity woman, with the announcement made through Johnny & Associates in July of that year.

On October 15, 2015, a dedicated page for Kazama was established on the Johnny & Associates official website, signifying his departure from Johnny's Jr.

On February 11, 2019, reports surfaced of Kazama's wife giving birth to their first son.

On December 16, 2023, SMILE-UP's official website announced Kazama's intention to become independent by the end of that month. He subsequently established his own personal agency and now holds the title of "representative director".