How many movies have Hitomi Saionji and Shotaro Ishinomori collaborated on?

They have worked on 1 movie together! Their first movie together was Kamen Rider Ghost: The 100 Eyecons and Ghost’s Fateful Moment (2016) and was their highest rated movie together. They have not worked together since Kamen Rider Ghost: The 100 Eyecons and Ghost’s Fateful Moment (2016).