Hakai Me no Yuuri - Chapter 34: The Cheats Were Spread

“Why is the thing you summon always so strange, can’t it be a little more normal?”

Lu Yu looked helplessly at the guy who was waving his tentacles in front of him.

“Who made me look up to see you every day…”

- Description from novelbuddy

Anyone who could construct a stable Spell Model could become a Wizard — that was the Wizards’ ultimate secret! Having been given a new life as the son of an aristocrat and armed with a super quantum computer from his past life, Spell Models came as easily as breathing to Merlin. With this overwhelmingly huge advantage, would Merlin become the greatest Grand Wizard of all time?

- Description from Novelupdates

The leader of the thousand demons, the Demon God Chun YeoWoon. Due to an unfortunate accident, he had been sent to the distant future.

When Yao Shen, Patriarch of the Heavenly Sky Sect, ascends and regains memories of his past life on Planet Earth, he realizes that he can no longer allow himself to accept the cruel and violent ways of Eliria, the realm of cultivation. So he decides to change it. It was time to found a new sect. One based on the values of honor and equality over senseless violence and discrimination. A sect where all, from the mortal farmer’s son to a sect elder's daughter, were held accountable to the same rules. Welcome to the Modern Sect.