Netherworld Retrograde - Chapter 113 - 52 Horror Tales Notebook

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

- Description from Novelupdates

“Master. Why do you never visit?”“Shh... Just take this needle and don't make a sound.”The act was getting old, Teriyaki had only spent a month in Orochimaru's Lair and he was already close to ending it all.Just a month ago he had been a normal human, flipping halfway through the naruto manga when he fell asleep on Chapter 45... The place where that darned Snake first appeared.One more Teriyaki is an NPC or worthless comment and I will find you.TW: torture simulator kinda at some points

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

When Arran decides to become a mage, he quickly discovers that magic can be more dangerous than he had ever imagined. Soon, he finds himself hunted for powers he never knew he had.