The OVA will be pre-sold during the Comiket 87 starting on December 28, 2014, regular retail distribution of the limited edition package will start on January 30, 2015.

Haruka Minazuki and Aoi Kannazuki are two students at St. Cherine academy. Haruka is always filled with bubbly energy while Aoi is more mature and a top student in all her classes - but despite their differences the two are the best of friends. The two girls look like any other girls, attending the academy, but the truth is they are hiding a little secret, that they can't let anybody know about... During the day they really are just students at St. Cherine academy, but they can also become the Twin Angel duo, and fight against the evils of the town! The lovely Angels are back, and it's time for them to get ready for some action! (Source: NicoNico)

1985, Yokosuka. Ryo Hazuki has trained to master the Hazuki Style Jujitsu under his strict father in the Hazuki Dojo from his childhood. However, one day a mysterious man named Lan Di murders his father and takes the “mirror” his father was protecting. Ryo is determined to find the truth behind his father’s murder, but soon finds himself getting stuck in a war between the underground organizations…. Traveling from Yokosuka to Hong Kong, Ryo’s long journey begins! (Source: Crunchyroll)