How many movies have Suisei Akai and Yumeru Kotoishi collaborated on?

They have worked on 1 movie together! Their first movie together was If Her Best Friend Gets Caught, She Will Be Tempted To Get A Creampie To Get Out Of Her Desperate Situation – Yumeru Kotoishi (2021) and was their highest rated movie together. They have not worked together since If Her Best Friend Gets Caught, She Will Be Tempted To Get A Creampie To Get Out Of Her Desperate Situation – Yumeru Kotoishi (2021).