How many movies have Takuji Ichikawa and Yoshikazu Okada collaborated on?

They have worked on 2 movies together! Their first movie together was Be with You (2004) and was their highest rated movie together. They have not worked together since Shishousetsu: Hattatsu Shougai no Boku ga Junai Shousetsuka ni nareta Riyuu (2023).