Well this takes place in a world where diffrent species like(vampires, wolf's, merfolk etc) co-exist peacefully, you are a highly trained assasin known as "The Shadow" no one knows who you are or what you look like other than your boss "the grave" and are the 2nd best assasin in the world

you were on a mission at a party and the target was late so you were forced to stay there, a mafia boss known as "The Viper" was also there, "the viper's" organization and your organization are rivals