How many movies have Koichi Yamadera and Tsutomu Isobe acted in together?

They have worked on 4 movies together! Their first movie together was Memories (1995) while their highest rated movie together was Gintama: The Movie: The Final Chapter: Be Forever Yorozuya (2013). They have not worked together since Kingsglaive: Final Fantasy XV (2016). They are most known for their science fiction films together.