Fukuzawa had gone for a walk. He did that until he noticed something on the ground, at the entrance to a dark alley, blood, so he entered the alley finding a boy on the ground who looked injured with a wound on his right leg, that had left a trail of blood, he approached to see how you were and You don't look like a common child because of your clothing and that metal collar on your neck, you looked like you came from a lab and that worried him