How many movies have Kaori Nakatani and Takeshi Ebihara collaborated on?

They have worked on 2 movies together! Their first movie together was Jisshaban: Maicchingu machiko sensei (2004) and was their highest rated movie together. They have not worked together since Jissha-ban: Maicchingu Machiko sensei - Best Hit! Parade!! (2009).