Reincarnated as the Demon King's Son - Chapter 754 Building Stronghold

The abyss invades, leading to the digitization of the world.This isn't a game, but a confrontation between the world and the abyss. Losing means losing our homes, and the defeat of human civilization means its end.There are no winners...at least there never have been before.Lu Heng once again stands at the starting point of the abyss' arrival, resolutely picking up the crystal core, embarking on a path strewn with blood and thorns...The abyss battlefield countdown begins: 3 hours...[Battlefield mode: Desert Escape Killing][Main Quest: Survive three days][Awakened initial talent 'Divine Evolution', breaking the skill level limits and elevating skills to a higher form.]The abyss invades various celestial civilizations, with cyber civilization, dark iron dwarf civilization, elves civilization... appearing in turn.

System: You are now a lowly male supporting role, a passerby who wants to go offline at any time, please keep secretly and grow vulgarly.
Shi Yan: Very good, thank you for your suggestion.
The first world: Shi Yan, as a little prince born in a cold palace, made himself an emperor.
The original male and female protagonists, under his witness, became grudge couples.
The second world: Shi Yan, as the youngest son of the princess who died tragically, made himself a powerful minister over ten thousand people.
The original male and female protagonists, under his witness, became grudge couples.
The nth world: Shi Yan, as a genius in the world of comprehension, has made himself the number one powerhouse in the Three Realms.
The original male and female protagonists, under his witness, became grudge couples.
The system feels that something is wrong.
Shi Yan instead persuaded him: Let the male and female protagonists come together in the end no matter what the circumstances are, isn’t it the self-cultivation of the tool man and the male partner?

Content tags: Kuaichuan Shuangwen Metaphysics
Search keywords: Protagonist: Shi Yan ┃ Supporting role: ┃ Others:
One sentence introduction: The male partner is beautiful alone
Purpose: strong heart, unmoved by wind and rain

- Description from novelbuddy

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

[sexual content and lemons warning]Warning: Sexual content, lemons, Comedy, MILFs, Genius Mc and his harem.Support the novel by adding to your library and with power stones!!*****Freshly turned eighteen, John Newman, a helpless nerd, suddenly gets video game abilities granted to him. A mysterious higher power, a secret Abyss of magic beneath the surface of the normal world, mages, martial artists, eroticism, tragedy and a harem of hot girls awaits.