From Basic Swordsmanship to Survival

In a world where daylight belongs to humans and nighttime is a realm of hell, Jiang Yan finds himself transported to a realm infested with malevolent spirits and demons. Upon awakening, he discovers that human activity is limited to the outskirts of various cities. With barely any clothing to cover his body and a constant struggle to find food, Jiang Yan's situation is further complicated by the need to care for his beautiful sister-in-law. While helping her with chores, he stumbles upon an unusual ability - his strength increases as he wields a knife. Driven by the desire to survive, Jiang Yan takes on the role of a Night Guardian, a position previously held by his deceased brother. He begins his journey from scratch, starting with basic swordsmanship, and must fight to stay alive in this treacherous world. As he navigates this dark reality, Jiang Yan must confront the challenges of his new role and the evil forces that threaten humanity's existence. With his newfound ability and determination, he sets out to carve a path of survival and become a formidable Night Guardian.