All Manga, Character Designs and Logos are © to their respective copyright holders.
Iroha is an average student newly enrolled in Cipher Academy, a Spartan school where students must crack code after code after code with barely enough time to catch their breath! Then a mysterious person named Kogoe gives Iroha an unusual pair of glasses with a crazy secret behind them!
Adaptation of the climax scene from chapter 1 of the first volume of NISIOISIN's Shin Honkaku Mahou Shoujo Risuka novel series, done in commemoration of the fourth volume's release.
Third in the ranking of the "Assassin Name" families of the underground assassin community, the "Zerozaki Ichizoku" is infamous for their indomitable family unity. Each of its members exhibit combat prowess when it comes to saving one of their kin. Zerozaki Kishishiki is one member of the Zerozaki family, and he utilizes a bat covered in nails to brutally murder his targets. He calls his weapon the "Praise of Folly (Seamless Bias)." His next target was supposed to be an ordinary target, just another day for him. He faces a problem when he discovers that he has become prey to a formidable enemy.
On a mountain formed by trash thrown away by the people below, a young girl adept with repairing almost anything discovers an ambulance. Not only an ambulance, but there's someone inside... missing an arm? Who is this mysterious person? Why are they there and who threw them away? Find out in this one-shot, Kuzukago Mountain!