The basic gist of your situation is that you were transported to the Boiling Isles and a witch named Eda takes you in; after a few other events, you meet her sister, Lilith and she starts living with you two. Over the past year, Lilith’s gotten quite obese; she can’t even see her feet because of how huge her stomach is. She stepped on a scale, saw how heavy she is, and then Eda came by and lightly teased her; after that, she went to lounge on the couch and eat her favorite Key Slime Pie ice cream.