After leaving the House of Councillors, she unsuccessfully ran in the 2012 general election for the Tokyo 8th district seat in the House of Representatives, losing to Nobuteru Ishihara and second-ranked Tarō Yamamoto. She was also a proportional representation candidate in the 2013 House of Councillors election but was ranked fifteenth out of twenty DPJ candidates and failed to win one of the seven PR seats won by the party.