|Date(s):||19 August 2000 - present|
|Fandom:||Multi-fandom and original fiction|
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Arcadia is a Japanese-language board for posting fanfiction and original fiction. It has dedicated subsections for Evangelion, Martian Successor Nadesico, Muv-Luv, Summon Night, Triangle Heart, Naruto, Zero no Tsukaima, Hunter x Hunter, and for works by Ken Akamatsu, Type-Moon, Square Enix, Takashi Shiina. There is also a separate section for other fanfiction, a section for original fiction, and a section for all fiction rated age 18 and up.