Villain: Ultimate Mutation System in the Alternate World - Chapter 22: Salamander

“One accidental signature, and now the legendary Shadow Queen is living in my house... wearing my T-shirts and refusing to leave! She claims to be cursed with laziness, but why did I just witness her destroy a monster with one finger? And why does she keep looking at me like I’m her next target? Someone help—I’m not ready for this kind of responsibility!”

A river song, triggered a legend of the rivers and lakes.
Tian Zun’s life motto: “My sword is the truth.”
Shen Lang’s life motto: “To serve people with morality, those who are dissatisfied are dead.”

- Description from uukanshu (translated)

Soldier King Li Qiang, who was part of the Special Forces ace army's Winged Dragon commandos, had accidentally broken the relationship between his fiancee and his adulterer and had lost his life because of this! Under the effects of the treasure, he was reborn as a normal high school student, and actually discovered that the school beauty, Lin Ya Shi, was the daughter of his fiancee and his adulterer. In order to take revenge on his enemy, he used the opportunity to get close to the Lin family while the school beauty was his bodyguard, but he discovered that a huge crisis was approaching everyone …

Playing under the plum trees and riding on bamboo, those were the days of joyful play. It was when they first met.She was not shy but innocently charming, standing before the breeze with her hair flowing, her complexion as creamy as curds.After waking up, Xu Qingfan had returned to 20 years earlier, to the year 2002.That year, the sky was very blue, the clouds were very white, and the wind was very noisy.That year, his Childhood Sweetheart hadn't gone abroad, their parents hadn't gone grey, and he hadn't the worries of being unaccomplished.That year, he was six, she was five, and they both could fully experience the climate as snowflakes blossomed.PS: This book is also titled “Help, I'm Surrounded by Childhood Sweethearts” and “I Have a Little Too Many Childhood Sweethearts.”