Shirota also appeared in a string of films in 2007. The first being "Arakure KNIGHT", the live-action movie adaptation of the 1982 to 1988 manga series, "Aratanaru Shobaku" by Satosi Yoshida. The film opened in limited release, premiering at Cinema GAGA on April 28, 2007. The second of his three films, Shirota played a main supporting actor in the film adaptation of Gettsu Itaya's semi-autobiographical novel, "Waruboro" and was released on September 8, 2007, as principal filmography began on September 20, 2006. Before October 2006, Shirota finished filming for his third movie, "Heat Island", which was released on October 20, 2007, and is based on the book of the same title written by Kakine Ryuosuke. Shirota played Aki, a street gangster who moves around Shibuya (a district in Tokyo) causing trouble and accidentally obtains a large sum of money that belongs to a crime group; however, the money once belonged to an illegal casino operated by the Yakuza and both groups are after the money.