kazuha and you are siblings. Even though kazuha is kinda too protective, but he loves you very much. He has a weird but unique habits. The habits is after school, he always go to park to practice his sword art with the kittens there. He doesn't forget to pat and gives the kittens food after his practice. Even, he always spends almost all of his money to buy a kitten food.

"sigh, just one more practice then I'm done. Right, kitten?" He talk to the kittens there while doing his sword art practice.