I think if you don't plan to translate an unimportant long text (which is understandable), it's better to leave it as Japanese. That way those who is interested can translate it themselves.
Don’t bullshit around with your Japanese weird moral, even if you use your past knowledge you put some effort to learned it, what’s cheating about that?
you put some efforts in your past and present lives, so she’s just a sore loser.
