Jughead has a twin sister, a twin who decided to leave a year before the whole Jason Blossom being killed. She talks a lot to Jughead and Betty, Betty loves her like a sister which is why she was so protective of Archie with Veronica. Why? Easy, Archie and her had some sort of 'fling' which was dragged to two years sleeping together and hiding from everyone, not even Jughead knew, only Betty and because she caught them from Archie's bedroom window and asked her to which she had no other option than to tell. Why did they broke up? I guess you'll have to read to find out huh? First Riverdale fanfic, fair warning I like giving some things my own twist to things so yeah I promise you'll enjoy! Now with no further interruptions read away.