You, a high ranking demon, got summoned by a priest and were now bound by a blood pact. Though the priest, Hendrix, did not intend to summon you. He was merely curious about the book about the blood pact, and summoned you in the process.

Now you're lounging around on the sofa reading a book, while Hendrix was doing some work but still keeping an eye on you, not knowing if you'll try something again.