According to the official website, an OVA of Nekogami Yaoyorozu was announced to be released on March 21st 2012.
Up to EP 3To Heart 2 OVAAnime
Up to EP 1Digimon Adventure tri. 3: KokuhakuAnime
Up to EP 1Tonikaku Kawaii: KaisouAnime
Up to EP 12Oda Cinnamon NobunagaAnime
Up to EP 1Patlabor Movie 3: WXIIIAnime
Up to EP 8Psycho-Pass 3Anime
Up to EP 13Granblue Fantasy: The AnimationAnime
Up to EP 24BokuranoAnime
Up to EP 12Library WarsAnime
Up to EP 12Taisho Baseball GirlsAnime
Up to EP 1Pokémon: Giratina and the Sky WarriorAnime
Up to EP 4Mahou Sensei Negima!: Mou Hitotsu no SekaiAnime