Jane's Heir to The Throne: Grim Tale

The Jane family is the Royal family of the Underworld, its a dimension made just for the monsters and demon like the Jane's. And ever since King Satan fell to the hands of his own daughter, Devil Jane, the Underworld has taken a turn that no one ever predicted. Devil rules the Underworld in such a way to make up for everything her father did; killing, using people as test subjects, and changing their destiny and anything else that would be considered a demonic act. Devil still has three people who's life was messed up by her father. Who are these people and what world are they in, you ask? Well of course, the world it all started...