I have an Apocalypse City - Chapter 65 - : Transaction

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

“Why is it that Emiya keeps showing up everywhere? Can you please stop summoning me already?!”The outlier of the countless Emiya, the last of the Knights of the Round Table, the conscience of Chaldea, the wielder of the Third Magic, King of the Lostbelt, the man Alaya can never have, and the sis-con deity: Emiya Sakatsuki.***When Shirou Emiya, in the dungeons of Ainsworth Castle, summoned a soul from another world, the young man holding the Fate Compendium began his journey.He started his journey in the world of Fate/Zero; on a planet where the Root has dried up; a Holy Grail War involving fourteen Heroic Spirits; the Grand Order set in motion to save humanity…Keep going like this, a traveller from another land—Until the moment the loop of fate closes.“I just want to chill at home like Merlin! If this keeps up, I'm going to end up split into countless pieces sooner or later!”“Aren't you already split into pieces now, Onii-chan?!”

The past life Ji Anran: “Geng Yan, let’s get back together.”

Geng Yan, who was dumped: “I refuse. You have powers anyway, and you can live well without me.”

After rebirth, the weak chicken Ji Anran: “Geng Yan, let’s get back together.”

The dumped Geng Yan: “I refuse.”

Ji Anran, lying dead: “I have no power, you don’t care about me, just let me get cold1.”

Geng Yan: “… …” The unsuccessful Geng Yan can only take away the weak chicken, one cannot put sand on the wall2 Ji Anran.

Later… what about the ordinary person without the strength to truss a chicken?! Who’s the guy in the day?

- Description from Novelupdates

In the vast and boundless continent Cangtu, there were ancient sects governing the Ten Old Domains, unworldly immortal clans beyond the Blue Sky, and primordial demon gods dominating the dark abyss that together created a great number of brilliant stories over the long course of the history.

In this very world, there was a boy, named Lin Xun, who embarked on his journey to the pinnacle of strength alone through cultivation and spiritual tattoo inscribing.

Escaping alone from the Mine Prison where he had been living since he was adopted by Master Lu, Lin Xun knew nothing about his identity but the little information his adopter, Master Lu, had told him. With two ancient spiritual tools Master Lu gave to him before the destruction of the Mine Prison, Lin Xun started his journey to Ziyao Empire, where he is supposed to find out the truth of his lost Spiritual Vessel and the person who slaughtered his family, leaving him orphaned.

Will he be able to unlock the mysteries of the two magic treasures, unveil the secrets of his identity and create a legend of his own?

- Description from Novelupdates