After Becoming a Solo Player, My Unlimited Skills Made Me Invincible - Chapter 139 - : Blueprint for the Thousand Mechanisms Umbrella

A 20-year-old genius medical student transmigrated to a book she read during an experiment and became a female supporting character named Mo Li.

He holds a god-level sign-in system in his hand, punches the goose factory, and steps on the pig factory. Do you think there is no good game?
First feed you two mouthfuls of tainted milk powder, and then send you the legend of the dragon and the Hearthstone gold cartoon for free.
What? Still not satisfied? League of Kings out-of-print skin, give away!
Satisfied? Tch, this is just the beginning…

- Description from novelbuddy

Died a Hero, Reborn as a Demon...

The strongest Hero in the world killed the Demon King, the most powerful demon ever to appear on Earth. He achieved something which no other hero could ever do.

But alas, the Hero never expected his own girlfriend, his own friends, and the organization he trusted to suddenly turn against him and try to kill him.

It was the cruelest blow he was ever dealt in his life.

He still didn’t give up and tried to stand his ground, but they had come prepared, and he was caught unawares in their trap. He fought to his death only to find himself transmigrated into a demon’s body!

But who would have thought that he would be the husband of the Demon Queen!

However, life as the royal consort was not easy at all. So read to find out how he is going to overcome those trying to step on him and finally get his revenge.

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Li Qi, who originally believed that even after being reborn in another world, he would still spend his life in mediocrity, unexpectedly gained the ability to track his progress on the path of cultivation. This rekindled his ambition and gave him the courage to embark on the journey of seeking The Way. A man with a determined heart should strive to overcome mountains and rivers, creating ripples that stretch for thousands of miles as he pursues enlightenment and mastery over his own destiny.