This is another style guess, in the same vein as: [link]
This time it features Madalyn Monolith, a creative girl who hides her creativity to fit in at school. Because the vast majority of people in her universe are invisible and are incapable of being creative.
She comes from a very creative family too. Her dad, Cameron Monolith (often shortened to C'mon) runs a restaurant in a fake volcano that must be very expensive to run because it 'erupts' every now and again, and her brother is an inventor.
The restaurant serves cat food jelly. Among other normal things, but I can't remember what they were.
Yes, I had a weird mind when I was fifteen. That, and it was pretty much a gag a day comic.
Gosh... it was seven years ago.