The ruling Liberal Democratic Party won four of the five Diet by-elections on April 23, but rising opposition party Nippon Ishin (Japan Innovation Party) clinched the fifth for its first seat in Wakayama Prefecture.
Rising opposition party Nippon Ishin (Japan Innovation Party) snagged more than a fifth of ruling party supporters’ votes to secure a narrow victory in the Lower House by-election in Wakayama, according to exit polls by The Asahi Shimbun.