কীওয়ার্ড Coastal City

Sōya Kuroi has dreams of people with superpowers fighting a massive dragon in the sky, but his real life is almost as weird. He's had amnesia for about two weeks and been taken in by a maid and an anthropomorphic cat. When a UFO in the shape of a stuffed bear approaches Sorimasaka City and other metros around the world, he's startled to see seven rainbow-sparkling heroes zoom out to confront it – just like in his dream. Even weirder, the maid wants him to leave his shelter to confront these heroes and take the source of their power.

The catastrophic floods of New York, Bangkok and New-Orleans have shed light on the extreme vulnerability of more than 130 coastal cities faced with the violence of the sea. The mega-cities are threatened by a series of unusual phenomena: a surprising subsidence of soils, an unexplained rising of the level of the sea in some parts of the world, an increase in the frequency of extreme climatic events and exponential urbanization. Considering that science is capable of anticipating dangers and of suggesting protections, why do such disasters occur so often? Can they be avoided?