Mami's Descent into Madness

While the events of the Madoka Magica story are happening Mami Tomoe in her apartment. She sits all alone as always and has been writing on her walls... Mami has not been out of the house in an awhile. Not responding to texts, emails anything. Her friends are wondering what's happened to her. What will come out of this delusion Mami is in?

(TW This story could possibly contain heavy gore or sexual themes. Viewers discretion is advised.)