This is SARASA GOTHIC, a Chinese & Japanese programming font based on Iosevka and Source Han Sans.
You need Node.js 8.5 (or newer), otfcc and AFDKO installed, then run:
npm install
after the NPM packages are installed, run
node build ttf
to build the TTF files, it would be in build/out
directory.
To build TTC, type
node build ttc
instead, the files would be in build/ttc
directory.