\tex\share\texmf\fonts\map\dvipdfmx\base
にあるcid-x.mapの以下を編集．
%
% Ryumin and GothicBBB found in PostScript printers:
%
%rml H Ryumin-Light
%gbm H GothicBBB-Medium
%rmlv V Ryumin-Light
%gbmv V GothicBBB-Medium
rml H :0:msmincho
gbm H :0:msgothic
rmlv V :0:msmincho
gbmv V :0:msgothic
