Vampire Progenitor System - Chapter 58: Ruka’s Fight

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

Our straight (?) bottom woke up ten years into the future and found himself on the bed of his childhood friend… At the start, the bottom was shocked to his very bones, but he soon quickly accepted this premise and found the whole situation to be rather amusing. Precisely then, the bottom once again went back to his timeline — back to when he and the top were just platonic childhood friends.

Landmines include but are not limited to: Sweet & naive bottom, a president story, logic is dead, slow-progressing romance, the protagonist’s name has too many character strokes, the names are hard to pronounce, too many gay characters…

The resurrection of Reiki, Global Awakening.

Countless people have awakened their abilities because of the nourishment of Reiki.

The funny thing is that most people think they are the only ones who have awakened their powers.

In this situation, Bai Xuan, who had awakened his ability, suddenly found himself joining the chat group connecting the heavens and the world.

When seeing other passers-by who have awakened their abilities, they are either excited, secretive, refreshed, or confident in their eyes.

Bai Xuan: Is there a possibility, just a possibility, that I am the protagonist?

- Description from Novelupdates