In order to retrieve the lost contract, Liusu and I came to the world of Yu-Gi-Oh.
——Retrieve the person who was sealed to sleep!
As long as one person exists, the "contract" will not disappear. You'd better pay the money you owe yourself, I don't want to do white work for you all the time!
Comics and animations are written alternately, so there may be conflicts in between. Just ignore it.