Supreme BeastTamer: I Can Copy and Upgrade Skills 10x! - Chapter 20: Explore The Portal

The story is about a man who’s opposed to the now-common practice of implanting false memories, but is one day given memories of a fictional childhood friend. This fabricated happiness torments him, but then, to his surprise, he meets her – a girl who shouldn’t exist.

“Destiny is a matter of Choice not Chance,

It is not a thing to be waited for but a thing to be Achieved”

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The story sets in a mana blessed world, Planet Vermillion, where every being possesses a System.

At the edge of his life, Zero, a man without a System, finally loses everything and embraces his death with a tired yet relieved expression.

As if by fate, the owner of the system approaches Zero through a screen and gives him a chance to connect with the System, however Zero denies it in exchange for a chance to change or undo all the mistakes he has done in his life.

The owner of the System accepts Zero’s wishes but at a certain price and sends Zero back into the past.

Still without a System, but with the knowledge of the future and various skills honed over the years, Zero begins his new journey to change everything he could.

Save everyone who needs to be saved and kill everyone who needs to be killed.

However, the more he moves forward, the more he realises that the ‘truths’ which he had known in his previous life are much more complicated than what they seem.

Balancing his previous beliefs and the new found mysteries that could shatter his perspective, he still keeps moving forward despite things getting more chaotic with every step.

As if fate itself wanted him to fall, an unknown disaster approaches him from behind and a familiar screen comes in front of him

[Ummm… Zero. It might be a bit late but… Looks like I have messed up big time]

Doomsday comes, and human beings enter the heavenly world.
Ten years later, Yang Chen, who was betrayed tragically, returned strongly with the Tianyu bug. In this life, he vowed to make the betrayal pay the price. He has a powerful bug bonus, just like an open hang. Frightened to hear…

- Description from novelbuddy

Horrible Accident? CheckOtherworldly Soul Yeeting? CheckTaking over some schmuck's body who died around the same time? CheckUnable to cultivate because the aforementioned schmuck's constitution is all messed up? Double CheckIn the world of Valresta where the great and powerful cultivate an energy called aether to get to where they are, Zhen Liu (Thomas Lee) is physically unable to despite having the qualities to do so.But due to a twist of fate, Zhen Liu is given the ability to create kaijin, strange and monstrous warriors to fight in his stead.By using this world's laws combined with his knowledge of Earth, watch as Zhen Liu stands above the so-called aether saints to become the one and only kaijin lord!“What the hell is a train”?!“Something that's about to kick your butt. Get him”!“Yes my lord”!