Kyoukaisenjou no Horizon: Kyokutou Naruhodo Kouza
Information
Web (4 ep.)
From 2011-08-07
to 2011-09-29
Alternative Titles
ru:Горизонт среди пустоты: Спешлы
ja:境界線上のホライゾン 極東なるほど講座
Fast Navigation
Synopsis
Specials aired on Nico Nico Douga and YouTube, later released on BDs/DVDs.