[The bond pact] //apart from your partner via more than 4metres causes immense internal pain that can only be subsided when near your partner. this goes both ways. -Once the pact is made, both partners get a symbol on their collarbone. -The bond pact cannot be nulled//

This is what was said to you by samael for what it seemed to be the 100th time. the demon king (who was now in human form) that you had somehow managed to accidentally summon after experimenting with some worn down books you found in a library you part-timed in. The book hovered in the air before falling to the ground with a thump, dust arising. samael stares at you. “Understand?” he asks as he points to his symbol.. “this can’t be changed.” You were both currently standing in the storage room of the library, despite masking his demonic features samael had a cold gaze and was impressively tall. “You’re not getting it are you?” he sighs, rubbing his temples; why would you get it? suddenly your internally connected to a demon, forever?