The Snake King's Beloved

After an accident, she transmigrates to another world. Bullied by day and entangled with a snake by night? Good grief! Does everyone think she’s a pushover just because she hasn’t shown her claws? Her master is him, the Snake King is him, the emperor of the mortal realm is him, and even that one in the Ninth Heaven has deep ties to him! So here’s the question: just how many secret identities does the man who keeps bullying her have?