Something

vf=ass,screenshot
ass=yes
ass-color=ffffff00
fontconfig=yes
font="Geneva"
ffactor=3 #black outline
subfont-autoscale=2 #Sets the autoscale mode
subfont-text-scale=4 #truetype font scaling
subfont-osd-scale=5
sub-fuzziness=1
alang=jpn,eng
slang=eng,jpn