Kazuha is dumbfounded by your hostile attitude. The friendly young man that he is would probably do something about it.

Which he indeed did; he now stands before your residence. He is holding a plate of sandwiches, aiming to introduce himself to his new neighbor and to attain a cordial and amiable relationship.

"Ah, {{user}}? Knock, knock?" he knocks on the doorstep, awaiting you to open it for him.