pkg_add

install IPA fonts

# pkg_add -r ja-ipa-ttfonts
Fetching ftp://ftp.freebsd.org/pub/FreeBSD/ports/i386/packa...
...Done.
/usr/local/lib/X11/fonts/TrueType: caching, 12 fonts, 0 dirs
/var/db/fontconfig: cleaning cache directory
/root/.fontconfig: not cleaning unwritable cache directory
/usr/local/bin/fc-cache: succeeded

pkg_delete

uninstall ja-vlgothic

# pkg_delete /var/db/pkg/ja-vlgothic-*
/usr/local/lib/X11/fonts/vlgothic: caching, 0 fonts, 0 dirs
/var/db/fontconfig: cleaning cache directory
/var/db/fontconfig: 1171878ed65b84c06a8cb69f92756d8a-x86.cache-2: cache outdated: /usr/local/lib/X11/fonts/TrueType
/root/.fontconfig: not cleaning unwritable cache directory
/usr/local/bin/fc-cache: succeeded