Isolate
A building that has a bully will isolate itself. Building have feelings like people, you know.
Picture a single building, isolated from the rest of the city and those mean, bully buildings that live there.
かく
へだ
None
The isolated building only has one companion, and it's the cock (かく) that lives inside of it.
Picture the sun rising behind an isolated building. A cock lets out a cry from the roof. It's a sad and lonely scene.