Heaven's Shadow - Chapter 99

During the years of study, no one would associate Jiang Huai with Mingshuang. Mingshuang is the school flower, always at the center of the situation, rich and beautiful, and arrogant. Jiang Huai is always No. 1 in the affiliated high school. The boy’s family background is not good, but he is handsome and indifferent, and he treats others with restraint and alienation. Only Mingshuang knows what he looks like in private. One summer night after the college entrance examination, under the camphor tree…

- Description from Novelupdates

Then there’s James Bellini. His nickname? The Angel of Death.The man everyone fears. The man they all whisper about in dark corners. They say he’s merciless, that he has killed more people than anyone in the Circle. No one dares cross him. But there’s a secret, one that no one knows.James Bellini has never killed anyone. Not once.The rumors started because of a misunderstanding, a mistake so deep that even he couldn’t fix it. Now, the entire underworld fears him. Even the other bosses treat him like an equal, like he’s one of them. But the truth? The truth is something only God himself could untangle. And James? He’s just a man caught in the middle of it all.

Jin, a guy with no direction in life, through an unfortunate event gets his hands on a Hitman System. What transpired then was a struggle to escape the eyes of the cops while trying to complete the system’s missions. However, through a series of coincidences, he soon finds out that his parents’ death was not an accident. Read how he uncovers the veil that has obscured the truth from his eyes since childhood and finds out the darkness that hides under this veil. ‍

I finally managed to kill the demon lord.