Japan's benchmark Nikkei 225 fell from record highs after Sanae Takaichi won the lower house vote to become Japan's first woman prime minister.
She received 237 votes, clinching the majority of the 465-seat chamber, according to public broadcaster NHK.
Meanwhile, South Korea's Kospi index ended the day higher, after hitting a sixth consecutive record high, driven by optimism around an impending trade deal with the U.S.
South Korean stocks have been on a roll since U.S.
Author's summary: Nikkei falls from record high.