When a routine day at SCHALE turns into chaos, Sensei finds himself trapped in a nightmare. A mysterious illness strikes his students, the city brands him a traitor, and an old enemy warns him to stay away from those he swore to protect. Sensei must face the impossible truth: something-or someone-has turned his beloved students against him. "It's just us now... against all of Kivotos." [A fan fiction and originally written by Northern Kairu] [An English translation by Cremated Kiryu]