README.txt
From the Noto Serif Hentaigana download.
Noto Serif Hentaigana ===================== Designer: Google License: SIL Open Font License 1.1 (see OFL.txt) Styles: 1 Source: https://fonts.google.com/specimen/Noto+Serif+Hentaigana Noto is a global font collection for writing in all modern and ancient languages. Noto Serif Hentaigana is a font that contains symbols for the Kana Supplement Unicode block. It has 478 glyphs. This font is free to use, share and modify under its license. Downloaded from FontCart: https://www.fontcart.com