I Lost the Leash of the Yandere Male Lead - Chapter 13.1: The first items for sale were none other than jewelry.

In the grand weekend year, demons cause chaos, and people cannot live peacefully.Han Zheng, carrying the game setting he designed [Taotie Furnace], travels to this world. By sacrificing to the furnace, one can break through martial arts techniques.From [White Ape Extended Arm Fist] to [Ape Demon Nine Transformations].From [Vajra Fist] to [Great Vajra Ming King Seal] and then to [Great Mighty Dragon Bodhisattva View].From [True Martial Refinement] to [True Martial Holy Body] and then to [True Martial Indestructible Body]There are no gods in the world, hence demons run rampant, and evil spirits are everywhere.As Han Zheng kills his way through the chaotic world of demons, looking back, he has become the only true god in this world!

“Let the world burn… if that’s what it takes to keep them from stealing what’s mine.”William Knox, once hailed as the brightest inventor of the century, dies with his heart corroded by betrayal. His daughter and closest friend stripped him of everything—his legacy, his empire, his future. But death wasn’t the end… it was only the beginning.He awakens in a strange world, ruled not by science, but by magic. His body is no longer his own. His soul is bound by a dark contract, and his mind is still tethered to his past—thanks to a newborn AI and the last working prototype of his neural implant.“Will you make a contract with me?”Guided by the cold logic of his most innocent creation and the limitless power of arcane forces, William must survive among arcane kingdoms, ancient beings, and buried secrets that defy reality.To succeed, he’ll need to master this new world’s magical laws, manipulate those who inhabit it, and uncover why he was brought here… and by whom.Vengeance forged his soul.Magic will shape his destiny.And the truth… will destroy the world.A story of magic, vengeance, and the birth of a new god of nightmares begins here...----------------------Warning:-------------------------------Explicit sex scenes starting from chapter 19, in any case this story is not focused on R18 it is just an explicit series.

“I want to be a true demon.”

A boy not older than 20 years wished as he looked at the sky.

After suffering from the trauma for many years, he finally gave up on life.

People called him ugly, demon, and hideous.

He bared with it, but today he finally broke.

With a piercing pain in his chest, he died.

When opened his eyes, Logan found himself in another world and inside the body of a demon.

His wish was granted, but at what cost?

He had no power and was the lowest among the demons.

No one to help, no one to be with him.

But it did not affect Logan. Because he had something else with him.

‘Sin and Virtue System.’

Guiding him towards his goal to become a true Demon.

Logan’s conquest has begun, so be a part of it.

Otherwise, you will miss him.

The true Demon!

However, is the MC the 'only' one to have a system?

Hm?

Read the fucking novel and find out!

The teenager Long Ao, ten years of silence, was reduced from genius to waste, and was ridiculed and mocked.

Ten years of persistence, ten thousand failures, and finally won mysterious Dragon Seal.

With Primal Chaos Saint Body, cultivation invincible cultivation technique, refining Heaven and Earth, devouring endless stars, sweeping the wasteland! Ask the vast stars, who dares to fight me? Boundless Starry Sky, War God! …

- Description from Uukanshu