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

Calculating dependencies ... done!
Dependency resolution took 1.01 s (backtrack: 0/20).

[ebuild  N     ] app-i18n/kakasi-2.3.6-r2::gentoo  L10N="-ja" 969 KiB
[ebuild  N     ] dev-perl/Text-Kakasi-2.40.0-r3::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 23 KiB

Total: 2 packages (2 new), Size of downloads: 992 KiB