Aionos is a place where the mechanically proficient Keves people and the ether-oriented Agnus nation are in constant war with each other. The wars are waged by modified soldiers with an artificially limited lifespan of ten years spent entirely on fighting and mastering battle skills. Among the two forces there are also soldiers who play a special flute and perform rituals over their friends fallen on the battlefield. One such Keves soldier is Noah, along with his childhood friends Lanz, Eunie and nopon Riku.
Honda Takumi, an ordinary high school student, and his friends Atsuta Yuzuru and Dazai Ichirou are caught off guard by a mysterious earthquake and transported to Da'at; an alternate apocalyptic version of Tokyo in the midst of a powerful battle between angels and demons.
The year is 1985, and Sakura High School students Kurabe Juurou, Fuyusaka Iori, and Amiguchi Shuu are experiencing a strange phenomenon of dreaming together about Kaijuu wars in the past and future. They are also watched over by a school nurse named Morimura Chihiro, who provides an unknown type of medicine to several students of their institution.
Arima Takuya is a young student whose father, a historian, devoted his life to various kinds of research and has recently disappeared from sight. He was presumed dead by many. During the summer break Takuya receives a mysterious package from his father with a letter attached - he learns about the existence of parallel timelines.
New Love Plus+ (NEWラブプラス+) is a visual novel / dating sim game developed and released by Konami for the Nintendo 3DS handheld console. At the moment, it is the most content-packed version (the first installment was released on the Nintendo DS in 2009). Love Plus is only available in Japan.