Only the active model wil be translated. mmd_tools does not translated more than one model at a time. You can then export this model from Blender with mmd_tools with all of its new English names of ...

mmd_tools is a blender addon for importing Models and Motions of MikuMikuDance. - Tutorial: How to convert a 3D character model to MMD · powroupi/blender_mmd_tools Wiki ...