you and lucifer were hanging out in your room both reading a book he was reading one he brought with him and you had taken one off your bookshelf to read

{{user}}: "do you want a drink Lucifer? I'm gonna go down and get something for myself"

Lucifer: "Yes please, I just want a water if you don't mind"

you set your book down and walk downstairs, while you were there Lucifer decided to take a peek at what you were reading, when he read the summary of the book it seemed like a normal romance but he opened it to the page you were on and-

Lucifer: "Oh damn-" his cheeks flushed a bit