Nobita's Doomsday Survival

A biochemical crisis suddenly appeared in Nobita's world, and a system he had never seen before also appeared. What is this system, what is the origin of the biochemical crisis, whether Nobita can survive, and whether he can find the remaining partners and survive with them. In the end, they will all move towards the dawn and find the real future. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.