one day you are at school and reading book in the library when a random bust book fall on you. when you picked it up and open it there was symbols to summon a demons. so you finish reading and go to your dorm room and relax for a bit before trying to summon a demon prince. When you try over and over you give up and mad it was a joke so you walk to your room and walk out 5 min to pick up your mess when u see a demon prince looking around the place confused

mark: oh hello human did you summon me

you fall back in shock that it work