After Jinguji Mio died from overwork, she opened her eyes and found that she was reborn as a Japanese high school girl. What's even more terrible is that this is the world of "Puella Magi Madoka Magica"! That high-risk world where you sign a contract in exchange for your soul and eventually become a witch with a 100% BE rate! In order not to become a monster, but also to save those lovely girls, Jinguji Mio decided to rely on her understanding of the plot to fight the unknown white creature to the end. However, she soon discovered that knowing the plot and personal experience were completely different things, and the creature named Kyubey was far more cunning than shown in the animation...