How many movies have Kazuhiro Sekine and Kwon BoA collaborated on?

They have worked on 1 movie together! Their first movie together was m-flo Tour 2005 BEAT SPACE NINE at Nippon Budokan (2006) and was their highest rated movie together. They have not worked together since m-flo Tour 2005 BEAT SPACE NINE at Nippon Budokan (2006).