How many movies have Ava Yu Kiu and Louis Cheung acted in together?

They have worked on 3 movies together! Their first movie together was Lan Kwai Fong 3 (2014) while their highest rated movie together was The Sinking City: Capsule Odyssey (2017). They have not worked together since The Sinking City: Capsule Odyssey (2017). They are most known for their romance films together.