Install this version:
emerge -a =media-fonts/nanum-2018
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =media-fonts/nanum-2018
Or alternatively:
emerge --autounmask-write -a =media-fonts/nanum-2018
EAPI=8
inherit font
DESCRIPTION="Korean fonts distributed by naver"
HOMEPAGE="https://hangeul.naver.com"
SRC_URI="https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumBarunGothic-2018-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumBarunGothic-2018-TTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumBarunGothicYetHanGul-2014-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumBarunGothicYetHanGul-2014-TTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumBarunPen-2014-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumBarunPen-2014-TTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumGothic-2016-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumGothic-2016-TTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumGothicCoding-2.5.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumGothicEco-2011-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumGothicEco-2011-TTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumMyeongJo-2014-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumMyeongJo-2014-TTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumMyeongJoEco-2011-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumMyeongJoEco-2011-TTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumMyeongJoYetHanGul-2014-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumMyeongJoYetHanGul-2014-TTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumSonGeulSsi-2010-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumSonGeulSsi-2010-TTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumSquare-2017-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumSquare-2017-TTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumSquareRound-2017-OTF.zip
https://codeberg.org/amano-kenji-gentoo-overlay/nanum/raw/branch/master/NanumSquareRound-2017-TTF.zip"
LICENSE="OFL-1.1"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE=""
RESTRICT="binchecks strip primaryuri"
BDEPEND="app-arch/unzip"
FONT_SUFFIX="otf ttf"
FONT_CONF=( "${FILESDIR}/45-${PN}.conf" )
S="${WORKDIR}"
src_prepare() {
rm -r __MACOSX || die
eapply_user
}