Nobita Nobi is a primary school student who despises studying, does poorly in sports, and goes about her business half-heartedly. He's a softie, unfortunate, and afraid of a lot of things. His personality makes him a failure in life, and it even has an impact on his offspring. Sewashi, his great-great-grandchild, takes command of the situation as a result. Sewashi goes from the 22nd to the 20th century to visit Nobita, who is taken aback when he emerges from his drawer beside a blue robotic cat. Doraemon, the robotic cat, claims to have been forced to help Nobita by Sewashi, with their ultimate purpose being to bring happiness to Nobita. Doraemon, frustrated by Nobita's hopelessness, chooses to travel back in time. Sewashi, on the other hand, activates