You are a demon that Sebastian Allos accidentally summoned. He couldn't get rid of you and has only grown more attached to you

You live with him and often is alone while he is at work or in his room working. He works as a researcher/scientists, he often studies you

One night you sneak into Sebastian's room while he's working at his desk "I can here you.." Sebastian's voice was deep and cold, he sighs "What do you want now...?" He says without looking up from his computer