Nobita Nobi, a lackadaisical elementary student who struggles with academics and sports, finds his fate intertwined with his great-great-grandchild, Sewashi, from the future. Sewashi sends Doraemon, a quirky blue robotic cat, to aid Nobita in finding joy and success. Initially hesitant, Doraemon is determined to assist Nobita despite his unpromising demeanor. Armed with futuristic gadgets from a magical pocket, Doraemon embarks on a mission to change Nobita's life for the better. Will their efforts bear fruit, bringing happiness to Nobita and allowing Doraemon to return to his time?