How many movies have Ngoc Huong and To Nguyen Ngoc Huyen collaborated on?

They have worked on 3 movies together! Their first movie together was Love Live! Sunshine!! The School Idol Movie Over the Rainbow (2019) while their highest rated movie together was Is It Wrong to Try to Pick Up Girls in a Dungeon?: Arrow of the Orion (2019). They have not worked together since Doraemon: Nobita's New Dinosaur (2020). They are most known for their comedy films together.