for a while I have wantd to make my own Undertale AU/story, and hopefully it can become widely known in the UT community as (head cannon) but i do not know where to to to start the AU, and even then idk what type of info to put there...art? ect..?
i do already have a planned out story for it , atleast for most of it - and i wanted to start it already.
how did UnderFell start?
what did you do to make it?
where did u start?
what should i and shouldnt i include?