These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] media-fonts/source-han-sans-2.005::gentoo  USE="X region -half-width -language" L10N="zh-CN -ja -ko -zh-HK -zh-TW" 49512 KiB

Total: 1 package (1 new), Size of downloads: 49512 KiB