Fairy Tail: Collapsing Stars - Chapter 43 - Sob Pitifully

[Nakseong High School, the heads of 300 people exploded!] Lee Joon, an ordinary high school student.During the entrance ceremony, he was caught up in a strange phenomenon and died.[You have died.] [Restarting from checkpoint.] [Loading…] And then a message appeared before his eyes.『Welcome to Nakseong High School that is full of mysteries and secrets.Uncover the dark secrets hidden around the school, or fight against urban legends and myths to earn points and unlock special abilities.Then, gather companions and stop the resurrection of the demon king before you graduate.The world is in your hands.』

Xu Mo loved playing games on Steam and bought a ton of them. But he soon realized something strange—whatever happened in the game started affecting his real life!When he played as an AI girl, a gorgeous girlfriend appeared in the real world. After robbing a bank in GTA, millions of dollars showed up in his real bank account.One time, while exploring a fantasy game, a Taoist monk with incredible powers showed up in reality, cutting an aircraft carrier in half with a sword and talking to him about Taoism.Things quickly spiraled out of control, throwing the whole world into chaos!

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

He—an enigmatic and cold-blooded soldier with a mysterious background.
She—a ruthless and bloodthirsty spy.