How many movies have Kentaro Tsuji and Yasutaka Tsutsui collaborated on?

They have worked on 1 movie together! Their first movie together was Bungakusho Satsujin Jiken: Oinaru Jyoso (1989) and was their highest rated movie together. They have not worked together since Bungakusho Satsujin Jiken: Oinaru Jyoso (1989).