City: Divine Assassin System

After the college entrance examination, his sister became a vegetable because of a car accident?

By the time Junyi arrived, the culprit was already on his last breath?

Just as Jun Yi was about to give up on the entire world, the God-tier Assassin System descended from the sky!

The system told him that as long as his level was high enough, he would save his sister.

Junyi asked," Kill who?"