Neruppu Da singer and lyricist Arunraja Kamaraj, is all set to play one of the leads in upcoming rom-com Natpuna Enna Theriyuma, directed by debutant Sivakumar. The film's plot revolves around three friends and the shooting is already underway in Kovalam. Also in the starcast is Kavin, Ramya Nambeesan and Raju.