Not really, I don't have plan to ever return to China...it's just too crowded, too polluted and the society too toxic to enjoy as a tourist. There's enough interesting people, culture and natural sceneries in the world for me to see and enjoy anyway.
A project like that is designed to err. Predicting the timing of the regime's collapse would be very difficult, but it's much more certain to say that the regime will metastasize internally and implode within a few years, certainly within our lifetimes.
From google: Japan allied with Nazi Germany primarily due to a shared ideology of expansionism and anti-communism, formalized through the "Anti-Comintern Pact" in 1936, where both nations saw the Soviet Union as a common enemy, allowing them to cooperate in their respective territorial ambitions in Asia and Europe despite some ideological differences regarding racial superiority; this alliance was further solidified by the Tripartite Pact in 1940, which also included Italy, creating the Axis powers in World War II.
Unfortunately, today's international norm of nation states, as proscribed in UN charter, each nation has its own sovereignty regardless of its own form of government. It is really up to the people of each nation to determine their own fate, except when there is a war between the nations, as in the case of WW2.