 Yashiro Isana, a seemingly normal student of Ashinaka High School, is targeted by HOMRA of the Red Clan and Scepter 4 of the Blue Clan, following the murder of pacifist Tatara Totsuka from HOMRA.With the help of a highly skilled swordsman named Kuroh Yatogami and a feline Strain with the ability of sensory interference named Neko, Yashiro rediscovers his true identity as Adolf K. Weismann the First and Silver King.A manga prequel called "K