Kotarou is stationed in Kazamatsuri for an upcoming mission and takes a few days off from Guardian, during which time he finds Akane and takes her back to her orphanage. Esaka tells Kotarou that Guardian is searching for the Key, and Kotarou is to monitor the city with Touka and Arata by posing as civilians. When they hear an emergency signal, Arata and Touka decide to head into the forest, and Kotarou runs after them. Kotarou finds Akane's name tag and tries to search for her...