It's not just a crack on the wall. "Find the cracks and exploit the discoveries to be revealed there . then move on to practice running headlong into the brick walls. Cracks crack first. Heads crack before brick walls. (from: STREET ART UTOPIA)"
Attack On Titan. I haven't actually watched this yet. I am trying to read the manga first. Which is really hard when your public library doesn't have them. << Our public librarys haven't updated their mangas in the last ten years so