Prodigy Agent 09

Olivia Thorn, an ordinary girl who had witnessed her parents inevitable death at the age of 5.
Now, at the age of 16, she is Agent 09, a top agent of 'Protection' also known as the Prodigy Agent. She made it through the program at the youngest age of 12. Currently known for her cold-heartedness, she is merciless at her job. Nothing like who she was before.
There is a current new mission. A mission for her to take care of the Crowned Prince of Aslade as the Kingdom is facing a threat.
But this time, the mission felt different. Something she could not put her fingers on.
Will she be able to find out the root of the mission in time?