MTL - Summoner of Miracles - Chapter 2509 "You won't succeed."

After accidentally falling, she actually finds herself bound to a Second Female Lead Counter Attacking System!

Blondina 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…

***

Amon stepped on the neck of the prince.

Amon eyes stared coldly at the prince.

“Humans dare threaten mine?”

“I didn’t know… I don’t know, it’s Blondina…”

“Yeah, I don’t know. But I don’t know either. How much power must be adjusted so that you will not die.”

As Blondina, who was watching, grabbed his collar to drag Amon,

Amon turned slowly and laughed at Blondina.

“Don’t worry, Blondina. I will kill anything that bothers you.”

***

What to do with him.

It seems that I picked up a scary creature without my knowledge.

Some people begin their lives with the odds in their favor but end up failing miserably.

Lin Jingzhe, having suffered many losses and setbacks, returned to his eighteen-year-old self just before failing his college entrance exam.

Business opportunities were everywhere in the early 1990s when the Chinese economy started taking off.

Now, this golden age would be his.

- Description from Novelupdates

It was only after Su Yayan's death that she realized that she was a malicious cannon fodder female character who became a scapegoat in a Mary Sue story.