みんなの党
He joined Your Party in 2009 and stood as a candidate for the 15th district in the 2009 general election. He failed to win this seat but picked up a seat in the Tokyo proportional representation block. He won the 15th district seat in the 2012 general election. He left Your Party in August 2013, and later joined the new Yuinotoh party formed under Kenji Eda.