Install fonts-moe-standard-kai by entering the following commands in the terminal:
sudo apt update sudo apt install fonts-moe-standard-kai
Description:
Chinese TrueType font, standard Kaiti (non-free)
MOE Std Kai is released by Taiwan Ministry of Education. It covers the characters plane 1 and 2 defined by CNS11643.
Version: 20120530-2
Section: multiverse/fonts