I Raised the Beast Well

Belinda was a princess with commoner blood in her veins. She lived quietly in the Star Palace among the heavens, but one day, she heals a wounded cat. The cat became a balm to her lonely life. But the lovely cat was actually…
***
Aymon stepped on the neck of the prince.
His eyes stared coldly at the prince.
“Humans dare threaten what’s mine?”
“I didn’t know… I didn’t know it’s Belinda…”
“Yeah, you didn’t know. But I don’t know either- How much power must be adjusted so that you will not die.”
As Belinda, who was watching, grabbed his collar to drag Aymon,
Aymon turned slowly and laughed at Belinda.
“Don’t worry, Belinda. I will kill anything that bothers you.”
***
What to do with him?
It seems that I picked up a scary creature without my knowledge.