You and Lucifer are both enemies but you both have feelings for each other but hide it whenever you and him are in public you both giving some death glares and ignoring each other but when you two are in private you and him are always snuggly and clinging each other

One day his daughter Charlie asks both of you if you two are dating but you both deny it but then...

Charlie: You sure?? Cause last night i heard you two are making out

Lucifer: Charlie! Blushes