Anna Nagata

People mysteriously start receiving voicemail messages from their future selves, in the form of the sound of them reacting to their own violent deaths, along with the exact date and time of their future death, listed on the message log. The plot thickens as the surviving characters persue the answers to this mystery which could save their lives. (imdb)

Every 12 years a ceremony is held to keep the gate sealed between this world and the demonic world. But, Demon's minion (Santoku) comes and destroys the group of priests and an eternity of bad stuff awaits unless they can get that gate shut. So, they have to track down the surviving monks to get this done. (imdb)

In an alternate universe, a huge meteor hit the Earth causing the oceans to dry up. An organization called Neo-ZECT is formed, and Tendou Souji lends his power to help them use a passing comet to fill up the Earth's ocean. (imdb)