In this falling apart world
you are my light
In this world where humanity is broken
You are my only support
In this cruel and merciless world
You are my only regret
You are a promise and a lie
————Dividing line————
The abstinent handsome guy Gu Changqiu x the simple and shy Xu Chengguang
As a love-struck sibling, what kind of existence will he become in this apocalyptic world...
Purpose: Let people understand that they cannot trust others casually, nor break contracts casually, and must be honest