❝we swear on our lives, never to harm one another for as long as we live.❞ A blood oath-- not to be mentioned, not to be broken, and Donghyuck knew that it was a mistake as soon as Mark stepped onto that stage as top of their class. Their stupid childhood pact was the only thing keeping Donghyuck from ripping him apart. Literally. a markhyuck fanfiction. disclaimer: i do not own any of the characters in this story, but all plot and storyline is mine. start: 06/13/21 end: - status: ongoing ☆