According to the official twitter, the second season of Ore no Imouto ga Konnani Kawaii Wake ga Nai was announced at Anime Contents Expo 2012. The details of the new season will be revealed in Akiba Blog tomorrow.
OreImo anime official website
Source: OreImo official twitter
Ore no Imouto ga Konnani Kawaii Wake ga Nai 2 on MAL
