Why Did I Travel Back in Time Again?

The introduction is weak... Jiang Feng traveled through time and came to a world where immortality and martial arts coexisted. However, within a few years, he traveled back to his original world during a war. He originally wanted to grow up in this world, but he discovered another side of this world. ,,,,,,,,,,,. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.