Side talk:B♭/@comment-6092594-20170118225146/@comment-26503811-20170119105147

I was able to find these links:


 * http://yaplog.jp/step-b-chan/ - Official blog, inactive since June 27, 2013
 * https://web.archive.org/web/*/http://www.step1-sendai.com/bb/index.html - Archived link to their Step One Sendai agency profile. Captures after June 14, 2013 only show a dead web page.
 * http://d.hatena.ne.jp/keyword/B%A2%F5 - Has info up to 2011; dates members joined and left, generations, leadership tenures.