Noda , who took office in September , is the latest in a string of politically fragile Japanese leaders . NEW : Two of the Japanese lawmakers on the list of those leaving say they are staying . The departing parliamentarians are joined by the influential Ichiro Ozawa . They say they are protesting the prime minister 's plan to double the income tax . It leaves the opposition with 251 out of 325 seats in the lower house .
NEW : Two of the Japanese lawmakers on the list of those leaving say they are staying . The departing parliamentarians are joined by the influential Ichiro Ozawa . They say they are protesting the prime minister 's plan to double the income tax . It leaves the opposition with 251 out of 325 seats in the lower house .