How many movies have Seiji Nagakawa and Yuta Takahashi collaborated on?

They have worked on 4 movies together! Their first movie together was Sex Demon Human 1 - Estrous Cycle (2016) while their highest rated movie together was Sex Adventure: Wonder Eros (2018). They have not worked together since Sex Adventure: Wonder Eros (2018). They are most known for their romance films together.