Yes, it can be done. You don't specify x32 or x64 so here are both the files you need; x64 -
amd64fre_client_ja-jp-GB1CxLP_JA_DVD.iso (0×78B0F90B) x32 -
Those will allow you to install the Japanese interface packs. Apologies, I cannot post links to those directly (I'm bound by an agreement w/MS) but I'm sure you can track them down.