How many movies have Kohsuke Oshima and Shotaro Mitsuzono acted in together?

They have worked on 1 movie together! Their first movie together was once upon a time in 横浜 〜B'z LIVE GYM'99 "Brotherhood"〜 (2000) and was their highest rated movie together. They have not worked together since once upon a time in 横浜 〜B'z LIVE GYM'99 "Brotherhood"〜 (2000).