Sinopsis
Specials aired on Nico Nico Douga and YouTube, later released on BDs/DVDs.
Informasi
- Format
- ONA
- Episode
- 4
- Status
- Selesai tayang
- Tayang
- 7 Agt 2011 sampai 29 Sep 2011
- Studio
- Sunrise
- Durasi
- 8 mnt per episode
- Produser
- Studio Moriken
- Sumber
- Light novel
- Pengarang asli
- Minoru Kawakami
- Rating usia
- PG-13
- Judul asli
- 境界線上のホライゾン 極東なるほど講座