I am the first leviathan eater of humanity again:Futa - Chapter 1: After all these years

What if Midoriya Izuku stayed quirkless? What if he could become a hero without any powers? Or even more shocking—what if he became the successor to All For One?

Yours Truly shall have all of you bow down to me!

Arriving in this brand-new world, Lin Fan found himself in possession of a system which allows him to level up indefinitely unbounded by the limitations of this world. Upon learning a powerful technique of Monkey Steals Peaches, Lin Fan realises that he’s poised to literally become the strongest person in this entire world. But of course, how boring would that be unless the whole world gets to know about his great name?

Shameless. Righteous. Smart. Lin Fan will let no one (or balls) stand in his way to glory!

- Description from Novelupdates

People got a planet in the beginning and what to do with it was up to them.Wang Yi, a young man in the 21st century, coincidentally transmigrated into a world where everyone had the opportunity to awaken a planet.The larger the diameter of the planet, the more advanced the energy transformed, and the more powerful the civilization created.Some people obtained the planet's energy as “ Martial True Qi” and used the creation sandbox to create a martial civilization, and the people on the planet were all martial artists.Some people get the planet's energy as “Immortal True Energy” and use the creation sandbox to create an immortal civilization, and the people on the planet were all cultivators!Some people obtained the energy of the planet as “Fighting Qi”, and used the creation sandbox to create the civilization of Fighting Qi, and people on the planet are all fighters!Some people obtained the energy of the planet as “Soul Power”, and used the creation sandbox to create the Soul Path Civilization, and the people on the planet were all Soul Masters!...Everyone was struggling to evolve a magical civilization system.Wang Yi, however, used his past life memories to start evolving an “Primordial” civilization!“Your world-extinguishing laser cannon is powerful, but I have the son of the Great Dao, Pan Gu! One axe will reduce your world to naught!”“Your thousands of angels are powerful, but I have three thousand Chaos Demon Gods to beat you in a minute!”“Your army of darkness is awesome, but I have the Buddha's Paramount Sage, who will defeat you in a minute!”“...”This was a story of how the Primordial civilization crushed various transcendent civilizations.

Rebecca imagined many things after finishing university; dying was not among them.Being reborn as the twin Sister to a different worlds Hero, and dealing by default with his opponents certainly wasn't what she imagined either.English is not my first language, so there will be mistakes. I will try to avoid them but make no promises.----The world this story is playing in, and the characters that are in the original story all belong to Tang Jia San Shao.