How many movies have Sei Hiraizumi and Tomohisa Yano collaborated on?

They have worked on 3 movies together! Their first movie together was The Snake Girl and the Silver-Haired Witch (1968) while their highest rated movie together was An Ode to Yakuza (1970). They have not worked together since An Ode to Yakuza (1970). They are most known for their crime films together.