since im new to making heads i thought i would make a normal over used anime head kinda thing

can i have CnC how to shade how to make eyes etc

https://www.toribashtextures.com/texture.php?id=653

advice plz

heres flat(old one)

https://imgur.com/a/eo6C1 imgur wouldnt let me put it here soooooo just click?

updated flat: