The Deal Ch:1

You are the youngest sibling of Bill and Will Cipher. After Bill had sent Will into a different realm you found out that the reverse Dipper and Mabel had made Will into their slave and use his powers for themselves. Once you found a way to that realm and found Will you made a deal with the Gleeful twins saying that if they let Will go you would take his place. They agreed to your terms and you were now there slave but something about the Dipper here was off... You wondered why he agreed but you would soon find out you made the worst mistake of your life.