Mahouka Koukou no Rettousei - Chapter 12Volume 4 -

Yin Xu, a super genius of cultivating demonic arts in history. However, once his failed to get through the tribulation and became a mortal, even a reputed good-for-nothing at last.So what if he was a tr*sh, he can still cultivate the demonic arts!So what if he couldn’t ascend, he can still be the lord above everyone else, but excepting someone!As to the man…Yin Xu: “Next time, I must ride on you!”Teng Yu: “Good! If you don’t want the Yang energy to replenish your Yin energy.”Yin Xu: “Oh! Forget it. Cultivating my demonic arts is the most important!!!”

Mortimer Zhu is an extremely unfortunate high school student who accidentally enrolls into an academy of a dubious nature, where it is the norm to jump in front of moving trains, get dismembered during orientation, and crushed by vindictive bouncing classrooms. Can he stay alive or will he die from the rigors of school? Why have evil spirits suddenly acquired a taste for his flesh?

- Description from Novelupdates

During the demon-summoning ceremony, Aiwass finally recalled his past life's memories.This should be an online game that his family's company had released and operated for six years. Now, his foster father was the leader of the latest version's antagonist organization.He would expose his identity six years later, hesitate and then defect from the protagonist's side. Ultimately, because he decided to take a fatal strike meant for the player character, he was killed by his upright older brother in a transitional CG without even a chance to enter the main content.——But the problem was not too significant. Aiwass also knew many secret advancement routes exclusive to the player character, as well as the Nurturing Secret Sequel regulations of the various Paths. He believed he could reverse his unfortunate fate……So now there was only one issue left.“According to the original plot, shouldn't I have been rescued by the protagonist before this lousy ceremony even began?”Tied to the ceremonial altar as a sacrifice, Aiwass fell into contemplation.

She was a medical expert, talented and beautiful. She was reborn as his little wife. Her in-laws did not like her, her husband did not love her, and she was as timid as a mouse. She was weak and easy to bully.