In October 2008, Kawamura co-starred in the Broadway musical Chicago, along with Takarazuka stars Yoka Wao and Ryoko Yonekura, in which he played the lawyer Billy Flynn.
Kawamura appeared on stage in October 2008 as part of the hit musical Chicago, teaming up with renowned Takarazuka actresses Yoka Wao and Ryoko Yonekura, playing the role of the charismatic lawyer Billy Flynn.