The Strongest Human in the Galaxy

(A newbie is starting a book, please support me.) In 2300, mankind officially started the interstellar era. The moment it entered the sea of ​​stars, it attracted the attention of many civilizations. Later, mankind encountered a strong enemy, the Hon Hai civilization. Forced to survive, mankind had no choice but to start a war, and the Great War of Resistance kicked off. Under the curtain of this era, the four "knights" led the way of the era and achieved fame.