Osaka Gov. Hirofumi Yoshimura has decided to run in the leadership race of Japan's second-largest opposition party slated to be held

Japan’s Democratic Party for the People will nominate its head Yuichiro Tamaki for the premiership vote as planned following a report about his personal life.

Yuichiro Tamaki, the head of the Japanese opposition party that has emerged as kingmaker as lawmakers select the next prime minister on Monday, said a tabloid report about his extra-marital affair was "basically true".