How many movies have Ai Kayano and Tsutomu Hashizume collaborated on?

They have worked on 2 movies together! Their first movie together was Is It Wrong to Try to Pick Up Girls in a Dungeon?: Arrow of the Orion (2019) while their highest rated movie together was KONOSUBA – God's blessing on this wonderful world! Legend of Crimson (2019). They have not worked together since KONOSUBA – God's blessing on this wonderful world! Legend of Crimson (2019).