Summary God-Level Assassin, I'm the Shadow from Kainu Manga
God-Level Assassin, I'm the Shadow summary: In a world where people sleep and enter the realm abandoned by God, Qin Feng, who had sacrificed everything for his sister, is betrayed by her. However, fate grants him a second chance, sending him back nine years before the abandoned world appears. This time, Qin Feng chooses to abandon his sister and focus on becoming the strongest.
