User blog comment:B214/Season 3 confirmed!!!!!!/@comment-24502975-20150206180104

http://www.cdjapan.co.jp/product/LACM-14333

Looks like BorN's OP will be available for purchase starting on April 15th. If that's the case, then we might have a clue as to BorN's air date seeing as it would most likely begin before the OP is released. Maybe the weekend before it?