Happy (belated) Birthday, Soul!
I’m so sorry this took me so long!!! Happy Birthday, @undertailsoulsex!
Title: “Edge on the Edge” Word Count: 3375 Contains: Underfell/Undertale brothers, established poly relationship, some bit of drug use (same thing used in the Touch Me series), and just some good boning XD
https://archiveofourown.org/works/23198515













