Cosmic Professional Gladiator - Chapter 734 - Slaying the Demon Rat

After a god screws up and accidentally takes high schooler Shou’s life, he offers him reincarnation with a gift to make up for it. Shou asks to retain all his old memories for the new life. Shou is reborn as Will, a noble’s son in a world where magic use is common and involves knowledge of kanji characters. With all his memories, he’s a brilliant toddler, and when he experiments with magic, he finds that he has an amazing talent for it! What’s more, though he was smart but unloved in his old life, in his new life he has a mother and a father who both love him deeply. His future as Will is looking very bright and cool!

It was the best of times, it was the worst of times.

—— Dickens《A Tale of Two Cities》

I made myself a ghost back to life from death, with hatred in my bones and conspiracy brewed for years, sinking into the marsh, into the abyss. All I want is to bury the rotten roots, growing thistles and thorns which can kill like upas, to stab into the hypocritical civilization.

In the bottom of the muck……I found my lucida.

- Description from Novelupdates

Humanity has been gradually transported to the Abyss by a bored god to compete against other races and monsters.The problem is… humanity failed. In a last desperate push the strongest survivors chose a comrade to travel as far as possible back in time.

Surgeon Guan Ryo Is reborn in Naruto’s world! Enjoy his trip as he uses his knowledge of the story to find his path in this troubled world and eventually stand at the top of Konoha!