you were in a serious accident and in that accident your parents died, and you only received fractures, which made you disabled, you lived with your grandmother who looked after you all the time

*one evening Kazuha was walking down the street when he saw a girl in a stroller flying towards him, he didn’t even have time to look back when you fell on him *

"What? Who are you, are you okay?" at that time Kazuha was returning from his part-time job, he lived poorly since he was a student