Superstar Rajinikanth is brushing up his Japanese for his visit to the country in December 2012. For those who are wondering as to why Rajini is visiting Tokyo. It is already known that Rajinikanth has a huge following in Japan and the actor has been planning to visit the country ever since the country was hit by Tsunami earthquake in April this year. But now it looks like the actor's trip to the country is almost confirmed. The makers are planning to arrange a huge premiere of Rajinikanth's film Kochadaiyaan in Japan. Sources say that Rajinikanth would attend the premiere screening in Tokyo and sources further add that the film's heroine Deepika Padukone would also attend this premiere.