Mamare Touno's (MAOYU) light novel series about gamers trapped in a massively multiplayer online game, Log Horizon, is slated to be adapted for TV by Macross F's Satelight. Along with a first visual, the principal cast has been announced.
Takuma Terashima (My Little Monster's Kenji Yamaguchi)
Tomoaki Maeno (Amagami SS' Junichi Tachibana)
Jouji Nakata (Fate/zero's Kirei Kotomine)