Mystery Paradise: Wishing Power Demon - Chapter 13 - 12 This is Unscientific!

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

Depressed by life, disappointed with relationships, and piles of regrets, just when Shaan was at the end of his rope, his soul was offered another shot at salvation!Starting afresh in an unfamiliar place, by sheer luck, Shaan stumbled upon a treasure that could help him hop between zombie and cultivation worlds.“There is shortage of food and resources in the apocalyptic world?”-“It’s okay, I will ship them from another world.”“You said, a zombie horde is coming?”-“It’s okay, I shall call my undead legion.”Facing countless vicious zombies alone that could bring goosebumps, Shaan stood defiantly with a crazy greed in his eyes.With amazing new powers….Turning his blissful desires into reality, becoming an overlord overnight, and buying to your heart’s content, Shaan’s new life shall be perfect.And if someone stands against his eccentric dream?Then, Shaan is sorry in advance for sending them to the afterlife![No Yuri] [No NTR][The book will slowly introduce the toxic female lead with proper pacing.]

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

After self-sacrificing, Yuri transmigrates from an apocalyptic to an interstellar era, inhabiting a disabled girl's body. She enters a joint marriage with a similarly disabled SSS-tier alpha, gaining a share in an ore planet. Determined to help her husband regain leg function and reclaim his SSS-rank, their journey together unfolds.