My Sister the Heroine, and I the Villainess - Chapter 114

A World of Warcraft hunter player inexplicably entered the world of Azeroth in his sleep. Turned into a high elf ranger, and at the same time inherited the title of Baron Cheap Daddy (Baron Blood Eagle) who died.

But the tragic original history that Blizzard bestowed upon the blood elves made his hair stand on end. He doesn’t want to become a heartbroken person and doesn’t want to die, so he can only struggle desperately to change the original history.

- Description from novelbuddy

The countries of Mephius and Garbera have been waging a war for ten years and are trying to put an end to this long fight through a political marriage between the two royal families. Orba, who was driven from his home because of the war and was forced to become a gladiator, looks exactly like the crown prince of Mephius, and it has been decided he will be substituting him during the wedding ceremony. On the other hand, Vileena, the princess of Garbera, has secretly decided to ensnare the crown prince for her own country’s interests.

While the blue light blossoms, the insignificant struggle at the bottom. He grasps the opportunity to change his fate and embarks on an unprecedented path…