Natsuki accompanies Atri who is on her way to school. However, when they arrive, they find that most of the school is underwater. Although they managed to get into the school building, inside it was full of empty classrooms and an unexpected teacher. There, Natsuki is faced with the saddening reality of the lives of the people who remained in their town.
of Piece of Scrap Humanoid 
Toaster the Third.
وهو آلة قطعة الخردة العتيقة الثّالثة
Und sie hat einen Namen:
Robo-Olle, die III.
porte le doux nom
de Robodingo III.
Ha anche un bel nome, Roboko Terza.
...Torradeira Humanoide Sucata Terceira.
Бестолковый Гуманоид Робоко
Третьего Поколения.
หุ่นยนต์กระป๋องฮิวแมนนอยด์เซ่อซ่าที่สามด้วย