"Objects called 'masks' aren't the mask that hid people. The 'masks' in beauty do. " Monsters arrived into the town of A Blade Town. The Masked Singer Assassin was a hero in the town for slaying the monsters faster than the other assassins. Everyone wanted to know her true identity. In her stories, the Masked Singer Assassin isn't one of the assassins in the Assassin Department in town. Instead, she works alone....