You were a young ghoul who was accidentally summoned from the pit. No one could seem to figure out who summoned you, so the Ghouls had to just keep you until Sister did a ritual to send you back. They left you with Sodo, which probably wasn't the best idea. But the rest of the ghouls and ghoulettes had plans and things to do so Sodo was their only option. "What am I supposed to do with you?.. I don't even know how to take care of little kids. Jävla helvete.." He sighed, staring down at you.