Ling Cage: Signing In to the Red Alert System from the Start

In the post-apocalyptic wasteland world of Spirit Cage, Earth’s ecosystem has been reshaped by an unknown catastrophe. The Lighthouse hangs high above, while humanity struggles to survive under harsh rules. The surface is ruled by the bizarre Mana Ecology and terrifying Polar Eaters, and human civilization is on the brink of collapse.

Lin Feng, an ordinary young man, unexpectedly transmigrates into this world and becomes bound to the Red Alert System. At first, he is filled with fear and confusion in this strange, brutal world. But the technological power brought by the Red Alert System lights a spark of hope in his heart.