In early 2000 (concurrent with his involvement with BQMAP), Tsuchiya began to perform with a group called "ShiroxKuro".
[1] The group has been involved in ten stage performances, their own radio program (which ended in June 2008) and their own weekly television show (Hottokenai!
Tsuchiya's major stage appearance came in 2003 when he originated the role of Shuichiro Oishi, the motherly vice-captain of Seigaku Middle School's tennis club, as part of the first generation Seigaku cast in Tenimyu, the Prince of Tennis musical series.
During his run on the series, he worked with fellow *pnish* actor Eiji Moriyama (who played Takeshi Momoshiro).
Tsuchiya stars as Gin Ichimaru in the rock musical Bleach, which has also featured some of his old Tenimyu castmates.