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Flowers hold meaning. Some symbolize love and longing, others symbolize hate and fear.
Zinnia's symbolize lasting affection and daily remembrance. But how does Alastor know that...? He doesn't recognize these flowers, yet they feel so achingly familiar. And who is the man he always sees holding them? An innocent bouquet of flowers in a hazy, distant memory. Why can't he remember? Are these memories even his? Is it related to the person who owns his soul...?
And why does he not know who it is?
Or:
No mortal shall ever remember the supernatural they witnessed in life after death, and Lucifer cannot bear to see the man he loves not remember who he is.
When the Radio Demon arrives at his door step, bound by Lilith to serve the king and his two year old daughter, Lucifer is inclined to send him away. But his little girl insists on keeping the dangerous demon.
Two years later Alastor is still bound by the deal and irreplaceable to the king's life. A royal tour through the seven deadly sins domains brings the two closer together as instinct and ill advised agreements tempt them to becoming more.
Slow burn and smut with Hellova boss crossovers and co parenting by two dubious idiots.
Through some slightly dubious means and for completely mysterious reasons Alastor turns himself human. In Hell. Unfortunately, Hell has earned its name as a pit of torment for a reason. Thankfully, he has a guardian angel(?) looking over his shoulder.
After a particularly rough dissociative patch, Lucifer’s brain decides to take a vacation and he heads to Earth to play human. Alastor follows to bring him back.
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Amnesia trope mixed with a bit of human-ish AU mixed with fluff and gore.
Due to the meddling of the Queen of Hell and the Cabal of Overlords, Lucifer Morningstar and Alastor the Radio Demon are arranged to be married. Neither are okay with this.
It is even worse for newly minted Overlord Alastor, who hasn't even been in Hell for very long. Locked in a situation where he is being forced to wed the ex-husband of the woman who holds his leash.