In June 2007, the D-BOYS starred in their first musical together called, "D-BOYS STAGE", which ran from June 3 to 10 at the Space Zero theater in Tokyo. Shirota appeared in the musical only as a guest performer, making select appearances on June 3, June 8 and 10, due to his busy schedule. The D-BOYS then starred in their 2nd musical, "The Last Game" to which on June 27, 2008, Shirota announced his graduation during the encore of the play while assuring the media that he would still remain under the Watanabe Entertainment management and still participate in certain D-BOYS projects and events. He officially graduated from the group on July 6, 2008.