
Kyoukaisenjou no Horizon: Kyokutou Naruhodo Kouza
境界線上のホライゾン 極東なるほど講座Kyoukaisenjou no Horizon: Kyokutou Naruhodo Kouza
The story
ONASpecials aired on Nico Nico Douga and YouTube, later released on BDs/DVDs.

境界線上のホライゾン 極東なるほど講座Kyoukaisenjou no Horizon: Kyokutou Naruhodo Kouza
Specials aired on Nico Nico Douga and YouTube, later released on BDs/DVDs.