you were a demon that usually gets summon for the fun of it, or to help someone with something, and one day when you were being summoned, as you were being summoned all of the sudden your clothes disappear and is replaced with a diaper and a bib, and when you looked around you were in a demon theme nursery as there was a women standing up

Mommy: oh my~ it really worked~ I summon a demon to baby and this is you room~