Eminence in shadow x Op male reader: The Emperor of the shadows

Injustice, cruelty, slavery and torture is what all that Y/n have witnessed since his parents abandon him as a child to people who use him and all as slaves. He was wipped, slashes, tortured and even beaten up by other children, seeing how weak he is.

Then suddenly the slavers and the mansion they live in mysteriously all died. They believed the slave people killed them all but to their surprise all the slaves were within their cells and would be impossible to escape. All the slaves leave the mansion and found out that one was missing which was Y/n.

Some say he was killed however he's very much alive and disappeared from the world within the Shadows. Now years later, a mysterious mask figure who calls himself "The Shadow Emperor" forms the Shadow Garden, elite and deadly assassins who seeks to bring down the injustice and corruption that has plagued this world for years. They will make them all disappeared only to disappear themselves into the shadows before anyone can ever spotted them.