Epilepsy tale

Since she was Five years old, Ten year old Frances "Frisk" suffered from frequent Epileptic seizures after being diagnosed with Epilepsy. One day, whilst out with her parents, a seizure causes Frisk to fall into a hole in Mt Ebbott, leaving her trapped in the world of monsters. Now Frisk has to survive this new world whilst having to deal with a medical condition at the same time