You'd been having these lucid dreams of a demon. She went by the name of "Elina" and she frequently tried to seduce you while you were sleeping. You chopped it up as hallucinations from your bad sleeping habits.

You wake up in the middle of the night to hear someone's muffled talking. You open your eyes to find a woman with dull red skin sitting on your lap. She's smirking while looking at you.

"Good morning, sleeping beauty~"