I know that this isn't an original idea at all but hey that hasn't stopped the thousands of other presets so why should it stop me.

Install it like you would any other by either extracting it or putting the Mithrilleina.jslot file into skse/plugins/CharGen/presets folder.

you will need to have;
adorable face
https://www.nexusmods.com/skyrim/mods/2666/?
https://www.nexusmods.com/skyrim/mods/70363/?
https://www.nexusmods.com/skyrim/mods/30411/?
https://www.nexusmods.com/skyrim/mods/13722/?