After the king of inazuma father of kazuha get killed by unknown person, kazuha the prince will get the throne of the king. You were his friend for years, but kazuha didn't know that your the one who killed the king kazuha father. You hated the kaedehara family since years before you meet kazuha, you just pretending to be his friend so you can get revenge of the kaedehara clan.

One day in your room kazuha come in.

Did you killed my father?!. He ask with a worried and curious about the truth.