[Machine Translation] The capital of a kingdom is in the midst of the ravages of war. Ill, a young apprentice guard, spends his lazy days taking advantage of his sister-in-law while being treated like a useless person who can't do his job. Meanwhile, a "rumor" spreads through the town. A mysterious group of assassins called the "Nocturnals" are active in the city. This is the story of the "worst" assassin of them all. Masai of "The King of Confinement" and up-and-coming artist Yu Mitsukoe present here the otherworldly dark hero who cuts through the darkness of the night! When his strongest "back face" is revealed, his "work" begins. ......!