Homura Akemi has made countless attempts to defeat the witch Walpurgisnacht, turning back time every time she fails, repeating the same month over and over, with no one even being aware of it. After one such repeat, she meets a man in a stylish red coat, claiming to be aware of time looping. Will the presence of this man be enough to change her fate?

Patty wasn't so sure of what to make of the strange creature that approached her as she was cleaning Dante's shop. "You hold an impressive amount of magical potential, if you forge a contract with me and become a magical girl, I can be able to grant you a single wish." "...Huh?"