How many movies have Isao Takagi and Yōichi Shiga collaborated on?

They have worked on 10 movies together! Their first movie together was Molester Train: Continue (1982) while their highest rated movie together was Time Adventure: 5 Seconds Til Climax (1986). They have not worked together since Time Adventure: 5 Seconds Til Climax (1986). They are most known for their comedy films together.