The reincarnation of the strongest teacher of Yin and Yang: the man with whom?

Witch. In the comic book "The Best of Metamorphosis of Yin and Yang Teachers in Different Worlds", the man and the witch finally came together after going through the postgraduate entrance examination. The TV cartoon "The reincarnation of the strongest teacher of Yin and Yang" is adapted from the online novel "The reincarnation of the strongest teacher of Yin and Yang ~ Compared with the servant monster, the monster is too weak ~".