Japan got its first woman prime minister on Tuesday after Sanae Takaichi, a China hawk and social conservative, forged an 11th-hour coalition deal.
Japan's fifth premier in as many years will lead a minority government and has a full in-tray, not least a scheduled visit by US President Donald Trump next week.
Parliament appointed Takaichi, an admirer of Margaret Thatcher, as prime minister on Tuesday, after she unexpectedly won a majority in a first round of voting.
She will formally take office after meeting the emperor later.