Taking an Armored Steel Tide into Bright Sword

While clearing out his old family home in the countryside, Han Chen unexpectedly discovers a time portal leading to a world at war...

The first world is Drawing Sword, the second The Immortal Unit, the third My Chief, My Regiment, and the fourth Heroes (Yan Shuangying).

At first, he just wanted to make a little money...

But when he sees the veterans and suffering civilians in that other world, he says, “Hello, National Security Bureau...”