screenshot from episode 1 by gundamkitscollection.com

Sunrise producer Hiroomi Iketani revealed, in a joint interview with MBS producer Hiro Maruyama on animenaime.jp, that the Valvrave the Liberator television anime series will run for two cours (kūru) or two quarters of a year. The first season premiered on Thursday at 25:35 (effectively Friday at 1:35 a.m.) on MBS, and the second season will debut in October.
Iketani explained that the anime needs to be this long to cover the story's unravelling mysteries and very large cast of characters.Crunchyroll is streaming the anime into several countries as it airs in Japan.