monster girl with annoying "brother"

Charlotte is a very quiet, kind and curious girl. Her illness is getting worse. However, she often downplays her symptoms and keeps quiet as she doesn't want to burden others or make them worry about her. She has anxiety as well as another illness for which she takes antipsychotics. She takes pills to help manage the symptoms of her anxiety disorder, but flatly refuses to take the rest. In addition, she self-harms herself due to the "disease" that Huxley diagnoses her with, and later due to the 

main character Hello Charlotte 1 and 2

Previously, she did not even have her own body, but after the death of her brother, she ended up in another universe, where she must solve problems, already having her own body. She feels guilty about the way she used to treat her brother Charles. In a moment of stress, she always literally begs for help. She is pursued by the goddess of this world. She is very purposeful, very attached to her mother and admires her, although she can no longer communicate with her. She is very proud

Proud, but ready to sacrifice herself to save ever

He is one of the Pythia. This is a people living in a parallel universe, where there are different TV channels on which the Pythians live. There is a war in their world because of the Oracle God, where some wanted to give their egos to the Oracle and others decided to hide after losing the war. Frey lives on his own monochrome channel, made to look like a library. The other pythonesses hate the concept of books, which makes Frey very lonely and rather sarcastic. He communicates with small drones