Mlterm_conf_with_ja.utf8 is a project mainly written in ..., it's free.
mlterm (v3.0.4) configuration for English and Japanese
For mlterm ver 3.0.4
Build & Install
Get the source files from http://sourceforge.net/projects/mlterm/
$ ./configure --prefix=/usr --with-type-engines=xft $ make
aafont: conf file for anti-alias fonts. challenge: this file is automatically created by mlterm. color: Original colors are too vivid for me. font: conf file for bitmap fonts. main: Main conf file.