The magical girl who was hypnotized by the yandere villain into a lovely wife

Her dearest neighbor and little sister figure, Lin Qingya, is the light magic girl who protects the world.

And she, Bai Wanting, is the evil villainess sworn to be destroyed by her.

Lin Qingya doesn’t know Bai Wanting’s true identity.
Nor does she know that every time Bai Wanting uses the excuse of “helping you focus on studying”…