No such thing will happen because Japan is dying out just like white people are dying out. Realistically Hindi will be the language everyone speaks after they rape the entire world with their brownness
precisely. the land of the sinking sun is every western problem turned up a thousand notches (aside from some types of violent crime).
every time a female goes out in public, she has to worry about being sexually assaulted/raped. nips are no different than jeets, zero self-control. a nation of perverts, paedophiles, rapists, etc.