Hidden Marriage - Chapter 2046 - Unique Technique

Yang Ji transmigrated to a world of immortals, where he could see various information displays invisible to others.He looked at a chunk of ore, “Mystic Iron Ore”.He looked at a dead frog, “Died of Gu Insect, dead for fifty breaths”.He looked at the sky, “The sky is overcast, and a heavy rain will pour down in an hour”.He looked at humans, “Thinking”, “I want to seize your body”, “Angry”, “Sneaky”.When he looked at himself, a proficiency panel appeared.With the attributes he could see, Yang Ji sought good fortune and avoided disaster. Step by step, he walked the path to the supreme immortal way.

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

In a romance novel called “The Secret Lovers of the Academy” the male lead would often torment his fiancée–but wait, why did she cross into this world to become his fiancée, the villainess, instead of the heroine?

I banished the protagonist.

Shit. If only I had transmigrated a short while before.