They call it the "Bronze Return Gate", which means that everyone who enters the Bronze Gate will return home.
Ten years ago, Chen Qingshen accidentally walked through that door.
Ten years later, Chen Qingchi walked through that door voluntarily.
There are many dangers inside the bronze door, and you may lose your life if you are not careful.
[Currently, there is no male protagonist in my concept. Qingshen and Qingchi are brother and sister]
Intention: Go home