One

AU: Alastor's secret daughter, born in hell, risen to heaven.

After the Angelic court meeting with the princess of hell herself, Allison Hartfelt, otherwise known as "Ally" in heaven, "Radio Princess" in hell, is determined to postpone the next extermination, to save her father, and her old friends from hell. All while trying to prove that sinners souls from hell can be redeemed and risen to heaven, while at the same time trying to make it back to her father in hell.

But how does a risen soul fall back where she never fell?

(Also a tiny crossover fanfic of Hazbin Hotel & Helluva Boss)