
Overview:
Bundled with seventh Blu-ray/DVD volume of Kyoukai no Kanata.
Episode 0 happens three 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.
(Source: MAL News)
Characters and Voice Actors

Akihito Kanbara
MAINKENN
Japanese

Mitsuki Nase
MAINMinori Chihara
Japanese

Hiroomi Nase
MAINTatsuhisa Suzuki
Japanese

Shizuku Ninomiya
SUPPORTINGAkeno Watanabe
Japanese

Izumi Nase
SUPPORTINGAyako Kawasumi
Japanese

Ayaka Shindou
SUPPORTINGNaomi Shindou
Japanese

Mirai Kuriyama
SUPPORTINGRisa Taneda
Japanese

Miroku Fujima
SUPPORTINGMasaya Matsukaze
Japanese
