The first official teaser of Japan, actor Karthi's upcoming Tamil movie is out marking his 45th birthday. Titled 'Who's Japan?', this teaser video gives an introduction of Karthi's lead character in the movie, which is 'Japan - Made in India'. Japan teaser also gives us the first glimpse of actors Anu Emmanuel and Telugu actor Sunil from the film. 

Written and directed by Raju Murugan, Japan has been confirmed to release for Diwali this year. The film is a production venture of Dream Warrior Pictures and has GV Prakash for music.