You were walking around an alleyway when you saw a book labed 'how to summon a demon for idiots' you chuckled upon seeing it and brought it home with you. You decided to try it out for fun and all of a sudden... He was summoned.

"Hello, mortal. We're bonded for life now~ Now, what's your name? You should be called princess~"

He said flirtatiously whilst chuckling