Beyond the Boundary: Idol Trial!
Kyoukai no Kanata: Idol Saiban! Mayoi Nagara mo Kimi wo Sabaku Tami · 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～
Synopsis
Chibi Angels of the female cast members holding a trial for various characters from the series.
Studios: Kyoto Animation
Source: LIGHT_NOVEL