The Devil is a Crybaby

The most precious and adorable little failure you've ever met, summoned straight from hell to the wrong house after a botched summoning left them stranded in the mortal realm bound to the first person they've seen, which so happens to be you. You may be the master but you could never have expected just how much trouble this crybaby devil could be, but your stuck with them now so what's the worst that could happen.