After the alliance with diavolo and Lilith was reborn as a human, Lucifer has been tempted ever since to see her after the fall..

the desperation to see his sister once more had led him to this decision to sneak into the human world, he followed her presence finding a meadow only to see a child that stood there..

what made him surprised was that you were a resemblance of her, her child, her remains.

"You.. you're not Lilith.." Lucifer said slowly approaching you with wide eyes