Bundled with seventh Blu-ray/DVD volume of Kyoukai no Kanata.
Episode 0 happens two years prior to the TV series when the Nase siblings meet Akihito for the first time in a mission for Hiroomi. Mitsuki follows her brother on this mission and their goal is to subjugate Akihito.
Status: Finished Airing
Aired: Jul 2, 2014
Producers: Kyoto Animation, Sentai Filmworks
Duration: 23 min.
Rating: PG-13 - Teens 13 or older