Which means that you are either an ultra pacifist against any form of violence even for self-defecnce or you did not study history well enough https://en.wikipedia.org/wiki/Japanese_war_crimes

You never heard of the Nanjing massacre? Some say it's worse than the holocaust: https://en.wikipedia.org/wiki/Nanking_Massacre

Unless you are japanese that empire will not have treated you nicely. "The man in the high castle" shows how it might have been under japanese rule. No thanks.