Leaders of Japan's main political parties (L-R) Social Democratic Party leader Tadatomo Yoshida, Japan Innovation Party leader and Osaka Governor Ichiro Matsui, Komeito Party leader Natsuo Yamaguchi, Japan's Prime Minister Shinzo Abe, head of Japan's Party of Hope and Tokyo Governor Yuriko Koike, Communist Party Chairman Kazuo Shii, Constitutional Democratic Party leader Yukio Edano and Party for Japanese Kokoro head Masashi Nakano pose for a photograph at the start of debate session ahead of October 22 lower house election, at the Japan National Press Club in Tokyo, Japan October 8, 2017. REUTERS/Kim Kyung-Hoon