Lillia to Treize - Volume 3 Prologue

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

After retiring from the special forces, Ye Tian is hired by a beautiful boss as her personal bodyguard, leading to a colorful and adventurous life for him...

After avenging her brother, Xie Liangchen felt unburdened. Though she now owed a favor, she believed that with death, all debts would vanish like a snuffed candle.But as thunder roared, she found herself back at the tender age of fourteen. Beside her, Marquis Xuanwei had yet to develop the formidable and menacing presence he once had.Xie Liangchen was about to feign ignorance...Song Xian, with a slight lift of his eyes and a glimmer in his gaze, spoke in a deep voice: “Trying to shirk your debt?”“Didn't you say, 'Marquis, your great kindness will be repaid in another life, even if I must become an ox or a horse?'”Song Xian, who was on the verge of reaching the pinnacle of success, was abruptly pulled back to his nineteen-year-old self by Xie Liangchen's shocking revelation—Is this repayment of kindness or revenge?A powerful alliance with dual rebirths, overflowing pampering, and a thrilling tale of empowerment.

In 2120, a massive gateway that connects Earth with the Otherworld replaced the Aels boulder in central Australia. The Earth, representative of science, and the Otherworld, representative of magic, subsequently made contact and two wars broke out. Both wars inflicted enormous damage on both sides, eventually leading them to choose peace negotiations, and thereby marking a thirty-year era of peaceful exchanges between Earth and the Otherworld.Even though both sides chose to coexist peacefully, they each coveted the other's benefits. With the impending arrival of the third inter-world war, Earth's Otherworld combat General Staff Headquarters decided to secretly dispatch an advance team to the Otherworld to conduct pre-war reconnaissance.As a hybrid of Earthlings and Otherworld elves, Luoer, after secretly studying and training for over twenty years in Haiya Academy, which specializes in cultivating hybrids of Earthlings and Otherworld inhabitants, will soon lead his squad into an exciting adventure in the unknown Otherworld.Swords and magic? No, this is a world of guns and magic!