This story takes place in the same universe as @MatpatIsSexy's story: Abused and Cancerous to adopted by Matpat. What if Matpat was wrongly accused of a murder and sent to jail? What would his family do to save him? This works in the same way as Abused and Cancerous to adopted by Matpat, but you aren't the main charac...
You have a dream to meet matpat. You need an escape from your toxic home life with your cheating, abusive father. How will you go about this? You give yourself cancer so you can be a make-a-wish kid and wish to meet matpat. Later on you stow away in his bag with hopes for adoption.