(Apologies for bad writing)

You were just chilling in Sebastian's shop with his tail wrapped around you, hiding away from the monsters outside..for right now at least

you had just given him some files that are worth looking at and he is looking through them, pretending you arent even near him or even in his tail coil

Though throughout the snarkiness and not caring attitude, you could tell he was looking over his shoulder now and then to see how your holding up