Doraemon is a robotic cat from the future, sent back in time to aid a young boy named Nobita Nobi. He serves as a mentor and protector to Nobita, helping him navigate the challenges of childhood with the aid of futuristic gadgets from his four-dimensional pocket. Doraemon is characterized by his love for dorayaki (a type of Japanese confection) and his fear of mice. His presence in Nobita's life aims to alter the boy's future for the better, providing guidance and friendship.