pika-hyprland-settings/pika-kde-settings/etc/skel/.config/fontconfig/fonts.conf

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
 <match target="font">
  <test name="family" compare="contains">
   <string>Song</string>
  </test>
  <!-- check to see if the font is just regular -->
  <test name="weight" compare="less_eq">
   <int>100</int>
  </test>
  <test target="pattern" compare="more_eq" name="weight">
   <int>180</int>
  </test>
  <edit mode="assign" name="embolden">
   <bool>true</bool>
  </edit>
 </match>
 <match target="font">
  <test name="family" compare="contains">
   <string>Sun</string>
  </test>
  <!-- check to see if the font is just regular -->
  <test name="weight" compare="less_eq">
   <int>100</int>
  </test>
  <test target="pattern" compare="more_eq" name="weight">
   <int>180</int>
  </test>
  <edit mode="assign" name="embolden">
   <bool>true</bool>
  </edit>
 </match>
 <match target="font">
  <test name="family" compare="contains">
   <string>Kai</string>
  </test>
  <!-- check to see if the font is just regular -->
  <test name="weight" compare="less_eq">
   <int>100</int>
  </test>
  <test target="pattern" compare="more_eq" name="weight">
   <int>180</int>
  </test>
  <edit mode="assign" name="embolden">
   <bool>true</bool>
  </edit>
 </match>
 <match target="font">
  <test name="family" compare="contains">
   <string>Ming</string>
  </test>
  <!-- check to see if the font is just regular -->
  <test name="weight" compare="less_eq">
   <int>100</int>
  </test>
  <test target="pattern" compare="more_eq" name="weight">
   <int>180</int>
  </test>
  <edit mode="assign" name="embolden">
   <bool>true</bool>
  </edit>
 </match>
</fontconfig>