From Fedora Project Wiki
Installing Japanese Fonts
Before all, to read and write in Japanese, you have to install Japaneses fonts.To know what Japanese fonts are available on the system, use:
dnf search font|grep Japanese
This command above returns a list of Japanese available fonts.
japanese-bitmap-fonts.noarch : Free Japanese Bitmap fonts google-noto-sans-japanese-fonts.noarch : Sans Japanese font mona-bitmap-fonts.noarch : Bitmap Japanese font for text arts vlgothic-p-fonts.noarch : Proportional Japanese TrueType font hanazono-fonts.noarch : Japanese Mincho-typeface TrueType font texlive-zxjafont.noarch : Set up Japanese font families for XeLaTeX sazanami-gothic-fonts.noarch : Sazanami Gothic Japanese TrueType font sazanami-mincho-fonts.noarch : Sazanami Mincho Japanese TrueType font ipa-mincho-fonts.noarch : Japanese Mincho-typeface OpenType font by IPA ipa-gothic-fonts.noarch : Japanese Gothic-typeface OpenType font by IPA ipa-ex-gothic-fonts.noarch : Japanese Gothic-typeface OpenType font by IPA ipa-ex-mincho-fonts.noarch : Japanese Mincho-typeface OpenType font by IPA texlive-jfontmaps.noarch : Font maps and configuration tools for Japanese fonts sazanami-fonts-common.noarch : Common files for Sazanami Japanese TrueType fonts mona-sazanami-fonts.noarch : True Type Japanese font for text arts based on mona-vlgothic-fonts.noarch : True Type Japanese font for text arts based on ipa-pmincho-fonts.noarch : Japanese Proportional Mincho-typeface OpenType font ipa-pgothic-fonts.noarch : Japanese Proportional Gothic-typeface OpenType font motoya-lcedar-fonts.noarch : Japanese Gothic-typeface TrueType fonts by MOTOYA motoya-lmaru-fonts.noarch : Japanese Round Gothic-typeface TrueType fonts by texlive-wadalab.noarch : Wadalab (Japanese) font packages texlive-pxchfon.noarch : Japanese font setup for pLaTeX and upLaTeX
Choose the ones you want to use.
For example, to install the sazanami fonts, use:
su -c 'dnf install sazanami*'