May 15, 2025
I can't stop thinking of fic ideas involving a friend and the OC ending up in Undertale
#ao3#fanfic writer#ao3 fanfic#fanfiction#ao3 fanfiction#ao3 writer#fanfiction writer#ao3 author#undertale#undertale fanfic#isekai trope#undertale isekai#isekai#transmigration#undertale transmigration#undertale skeleton harem#skeleton harem#sans and papyrus#skeleharem#reverse harem#papyrus undertale#sans undertale#undertale aus#undertale fanfiction#undertale fandom#concept idea#it's a tik tok that didn't get love so here it is