Any move is a lot of stress and anxiety due to the fact that all your cargo isn't damaged so that you don't forget and do not lose any of the boxes with your things. This usually takes a long time and it's very important in this case to carefully and correctly pack your luggage. I can advise you to read this post https://www.jluggage.com/tous_e.html
. I found here a lot of useful information for me on how to make any move from Japan to the USA more comfortable and to be sure that luggage will not be lost or damaged on this journey.