One Piece: Creating Avatars Start With Ryomen Sukuna - Chapter 71 Zephyr’s Power

A serious accident caused the protagonist’s brain to have an unusual mutation. This changed the brain development that it opened the door to a mysterious universe. Not only he obtained a ‘god-like’ powerful telekinetic control and mental perception, he also had an abnormal analysis and memory capability comparable to super computer. Having such super brain, his rough life began.

Brain development progress 10%…….20%……50%….80%…. …100%

- Description from Novelupdates

Reborn in the world of Naruto as the Nine Tails, he finds himself sealed within Uzumaki Kushina. No longer just a mindless beast, he possesses his own will, intelligence, and the power to change the fate of the tailed beasts.Madara : I never thought that my Rinnegan would be crushed by Nine Tails.Hashirama: Times have changed. I once controlled the Nine Tails, and now the Nine Tails controls me.Uchiha Mikoto: Kushina, I didn’t expect you to have something this powerful sealed inside you.Uzumaki Kushina: Each of the Nine Tails' tails gives me a different feeling.At this moment, the Nine Tails stood tall, representing all the tailed beasts.“Tailed beasts will never be slaves!”

Betrayed and left for dead, Richard Blackwood—formerly known as the world renowned hero Astralis—awakens a decade later to find the world has moved on, and an imposter now wears his mantle. Disguised as a rookie in the Mage Guild, he quietly hunts for answers.'If my little sister is levelled above me, then what about everyone else? How much stronger have the bastards who betrayed me grown while I was dead?'Richard must grow stronger once again, and rise much higher than the S-Rank.'What the fuck? I almost die, and I get a power up?'Not harem.

Sinan Ke is a young talented writer of small, very dark *beep* novels. He is a gold medal author on a famous meat* novels website and he has a multitude of fans. However, he is still, after all, a wretched writer who puts the main character in his stories through great torment; so on this day, he got his retribution…

System: Welcome, Visitor No. 039, to the virtual punishment worlds of the Great Harmony Department. You are in scene XY0358, your current status is a student currently taking an exam—

Student Sinan Ke: What? ! ! (⊙?⊙)

System: Please save the various youths who have lost their way, otherwise, you will not be able to break away from the virtual punishment world.

This is the story of a small author of small *beep* novels being punished to go through various small *beep* worlds. He was tasked to save the protagonist who, because of said author, was turned into an obscene *beep* toilet.

- Description from Novelupdates