Here's the PV of the second season of Kamisama Hajimemashita. There's no broadcast date yet but there will be an announcement on December. The seiyuus of the the new characters have also been introduced. More info from CR.
It was announced on Hana to Yume event that Akatsuki no Yona will run for 2 cours. Meaning it will ran for 25-26 episodes that will last for half a year or until March of next year. From CR.
Both pics above were taken from Hana to Yume twiiter account for the Hana to Yume Anime Fes.