The figure that was reaching past him to the shelf now has a bell in her hand and is standing facing the children. She holds the bell up as high as her shoulders and shakes it back and forth. It makes a tinkling noise. It is not very loud but the children are waiting for it and as soon as they hear it they all stop playing. The bell is telling them that they must tidy up the classroom. The bell is tinkling in Muko's head. He can hear it clearly. As he listens, the world around him becomes more and more blurred. The brightness of the classroom fades away, its colours turning to grey. Darkness fills the scene. The feelings of safety and happiness have become apprehension and gloom ...