How many movies have Hajime Yamazaki and Toshifumi Muramatsu acted in together?

They have worked on 4 movies together! Their first movie together was Pika**nchi Life Is Hard Dakara Happy (2004) while their highest rated movie together was The Insects Unlisted in the Encyclopedia (2007). They have not worked together since GS Wonderland (2008). They are most known for their comedy films together.