Legendary Superstar - Chapter 54: Looking For Donghyun

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

“In the depths of eternity, where darkness and light entwined, the universe was born from the dreams of the gods. From the celestial harmonies of creation to the discordant melodies of destruction, the cosmic symphony echoed across the expanse.Within this grand tapestry, a world emerged, forged from the essence of duality. Earth, a terrestrial haven, became the stage for an epic drama, as forces of creation and destruction converged. The fate of the universe hung in the balance, as two goddesses, Stella and Khaos, wove a narrative of light and darkness, life and death.Their story, a testament to the eternal dance between opposites, would give rise to a new era, one where humanity would inherit the earth, and the delicate balance of the cosmos. Join us on a journey through the ages, as we explore the celestial ballet, the birth of life, and the eternal struggle between creation and destruction.”

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.

First World : CampioneCurrent - Second World: High School DxDThird World: ???Reincarnated into the world of Campione! Haru Kasugano, our hero slays gods and ascends as the mightiest Godslayer. He battles powerful God-Kings and Campiones, claiming victory after victory. Whatever it is. [Wealth, Power, Beauty] he has it All. Watch him grow stronger as he travels into new realms like High School DxD and the Fateverse, leaving a trail of defeated gods and captivated hearts in his wake.