According to Amazon Japan, a two-volume OVA series "ToHeart 2 Dungeon Travelers" was announced. "ToHeart 2 Dungeon Travelers" is an RPG game on PlayStaion Portable released in 2011.
Up to EP 1Spirit of Wonder: Miss China's RingAnime
Up to EP 1Inari Kon Kon OVAAnime
Up to EP 25Akkun to KanojoAnime
Up to EP 3Aria the AvvenireAnime
Up to EP 4Kaiju No. 8: Narumi's Week at WorkAnime
Up to EP 12Seraph of the End: Vampire ReignAnime
Up to EP 12Dragon Pilot: Hisone and MasotanAnime
Up to EP 13Mysterious Girlfriend XAnime
Up to EP 13Heaven's Lost PropertyAnime
Up to EP 4Higurashi: When They Cry – KiraAnime
Up to EP 13You're Being Summoned, Azazel ZAnime
Up to EP 26A Certain Magical Index IIIAnime