According to official website, an unaired 13th episode of on-going mystery romance anime series Tasogare Otome x Amnesia was announced.
It will be bundled on the 6th Blue Disk/DVD volume of the said anime series which will start releasing monthly on July 27.
A young woman, by some strange occurrence, was left to die alone in the former building of the Academy for Sincere Teachings. Mysteriously, there is one person who can see her in ghost form: Niiya Teiichi, a freshman. Now they both seek to find out the reasoning behind her death, and what could have caused it.