Where the Clouds Stop

Time is wrong. It isn't flowing the way it should.
The person she killed the day before yesterday—their body was already rotting, putrid. But the next day, when she got home, they were standing right there, beaming at her.
What the hell is going on?
My doctor... he promised me. He swore that if I just took the medicine, I would wake up.
Where am I? What is this place?
And you... who are you?

(Source: BiliBili, translated)