Transformed Into a World-destroying Witch, All She Wants is to Save the World

(Ratings have just been released, so the scores may not be very high at the moment.) [Transformation + Unmarried + Witch + Disguise + Story-driven + Combat]

The world has undergone a cataclysmic change, with monstrous creatures descending upon it. To fight against them, humanity directly summons back to their past lives.

The convenience store cashier transformed into a 13-mirror swordsman, a 996 worker on the street became the legendary dragon Bahamut, and a teacher shouldered a holy sword and became a Templar Knight.

I, a science and engineering student dedicated to solving the anomalies through technology, have been transformed into a peerless witch with silver hair and purple eyes.

By day she conducts research in the lab, and by night she transforms into the great witch Kishia to maintain world peace. She tilts her head back, raises her face, and holds her staff.

On the day his true identity was revealed, the juniors he had taken care of, his former comrades, and even his own sister looked at him with dangerous eyes.

"Senior Chris, you don't want others to know your witch identity, do you?"