Honkai Siegfried will not die in the Shura field of comprehensive manga

Someone who finally stayed up all night and succeeded in spreading the fire with the help of the boss woke up to find that he had time-traveled.
Identity - the young master of the family who is in the rebellious period of youth;
Reason--I don't want to inherit the family business.
That is to say, when I go home and admit my mistake, I don’t have to work hard?
An ordinary young man named Siegfried Kaslana thought so.
10 minutes later, a silver-haired man passed out on the side of the road
The beautiful girl appeared in front of him, and Siegfried realized that things were not simple;
One night later, Siegfried realized that he had come to the collapsed world;
Three days later, Siegfried bid farewell to his friends and embarked on a journey home, determined to become a real hero and change his destiny;
Half a year later, Siegfried, already a qualified fighter, discovered that he still had a golden finger;
A year and a half later, Siegfried felt that Goldfinger seemed to want to make himself the salary king;
Then Siegfried came to the Moon World after a bloody battle with another unknown unlucky traveler;
Two years later, facing the fiancée of the illegitimate royal sister, Siegfried refused to listen and reminded himself: You are only loyal to Cecilia;
Ten years later, Siegfried had to admit that he was an LSP