On August 3 , 2012 the party ( which had no member in the lower house ) in concert with six other minor opposition parties ( People 's Life First , Kizuna Party , Social Democratic Party , Your Party , Japanese Communist Party and the New Renaissance Party ) agreed to submit a no confidence motion against Prime Minister Yoshihiko Noda in an effort to block the passage of the bill raising Japan 's consumption tax from 5 % to 10 % .