Keywords: Dean Winchester Approved! 

I'm adding a link to this 記事 here because I think there are a lot of people on this spot who either don't understand what キーワード are または who don't realize how important they are. PLEASE READ. It's educational. :)
キーワード: キーワード, how to, guide, content, 画像, 動画, 検索 bar, 検索