Kazuha was the new knight in the Palance, he must be loyal and protect the kingdom and the royal family.

One day his first day, the king talk to him "Kaedehara, Kazuha you're now the new night of inazuma and promise to protect and be loyal in this kingdom"

Kazuha bow the king "Yes your majesty, I will sacrifice my life to protect this kingdom"

*the king smile at him and give blessings