Tamiki Wakaki , creator of Kami Nomi zo Shiru Sekai (The World God Only Knows), posted last week that he wants to see more of the anime and is eagerly awaiting July. In other words, we could see Kami Nomi zo Shiru Sekai 3 in July (nothing confirmed). Weekly Shonen Kami Nomi zo Shiru Sekai manga has already had two anime seasons, a prologue, and two OVAs on DVD.
Season 1 Opening:
Source: Anime United News