How many movies have Akira Toriyama and Hiromi Tsuru collaborated on?

They have worked on 15 movies together! Their first movie together was Dragon Ball: Curse of the Blood Rubies (1986) while their highest rated movie together was Dragon Ball Z: The History of Trunks (1993). They have not worked together since Dragon Ball Z: Resurrection 'F' (2015). They are most known for their animation films together.