The Lustful Young Master starting with Holy Maiden. - Chapter 12: The Soul travels through samsara, ignorance stops it.

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

When he first crossed over, Chen Liguo did not want to accept it.

But he quickly discovered, after he crossed, he found that all the men he met had perfect figures and eight-packs. Furthermore, these men liked him.

As a gay man, Chen Liguo was so excited he shed tears of joy.

However, the world obviously wouldn’t have such good things.

Because, just as he was drooling and about to pounce, a system appeared and told him: Buddy, sorry to let you down, but you can’t be with these people.

Chen Liguo: What if I insist?

System: Hehe

……

Chen Liguo: You trash system! Destroying my youth! Ruining my s*x life!

- Description from novelupdates

In a world dotted with World Entrances to a demon world, demons have invaded humans for centuries. Humanity has united and one of the most ancient sects in the world, the Archean Mountain Sect, has set up an entire education system in the form of Dao Academies and defenses at the World Entrances.