Beyond the Boundary: Idol Trial!
きょうかいのかなた アイドル裁判！～迷いながらも君を裁く民～ · 2013
Sub & DubHDCOMPLETED
Each of the episodes will have the female main characters cast as Chibi Angels who hold a trial for a different character of the series. Akihito Kanbara will be the defendant for the first episode.
(Source: MAL News)