Moyu Arishima

Rei Sugiyama never had much self-confidence but always found solace in watching anime. One day at an anime festival he is transported to another dimension where the jet planes from the anime, Yukikaze, take on the form of beautiful girls fighting a never-ending battle against the JAM. Rei will have to choose between going back home and saving the girls from a fate that awaits all anime, being erased by the Demon of Oblivion. In order to save himself and the girls... (Amazon)

In the year 2050 A.D, approximately 1/10th of Japan is now under water due to the global warming effect. The city of Tokyo was no exception. The economy of Japan is crippled from this disaster and the government is willing for anything to help revive the country. As a result, the Japanese government forms "JESAS", a military foundation that has evil intentions of controlling Japan's future. JESAS handles the dumping of nuclear wastes into outer space. (myanimelist.net)

In his dreams Mikuri Tomokazu sees a mysterious girl fighting an enemy on a devastated Earth. With his help, the girl is able to fight off the enemy. Surprisingly, when he wakes up, the girl from his dream, Mone, lies right next to him. A battle in the real and dream world ensues... (anidb)