/usr/lib/dvi2ps/bikanji-90ms is in dvi2ps 5.1j-1.2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | ## font selection
# printer built-in font for kanji
fontdesc fonts$kpse/ntt-bikanji-90ms
fontdesc fonts$kpse/asc-bikanji-90ms
# bitmap for ascii
fontdesc fonts$kpse/fonts-bitmap
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