Kyoukaisenjou no Horizon: Kyokutou Naruhodo Kouza
Original title: 境界線上のホライゾン 極東なるほど講座
Score: ⭐ 6.1
Year & Season:
Age Rating: PG-13 - Teens 13 or older
Episodes: 4
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Synopsis
Specials aired on Nico Nico Douga and YouTube, later released on BDs/DVDs.