Doraemon and nobita wasi lenkhong arrived from the future to share fever of nobita. And if you don't do anything, nobita wanted to marry Jaipur Ko until bankruptcy. Is the problem the next heir.
Doraemon and Nobita's grandson Sheva's journey from the past to jointly solve Nobita. If you do nothing, Nobita married to Jaime, she was bankrupt. The problem is the next heir