Doraemon 3: Makai No Dungeon

Doraemon is a Japanese manga series created by Fujiko F. Fujio (the pen name of Hiroshi Fujimoto) which later became an anime series and Asian franchise. The series is about a robotic cat named Doraemon, who travels back in time from the 22nd century to aid a schoolboy, Nobita Nobi Doraemon is sent back in time by Nobita Nobi's great-great grandson Sewashi to improve Nobita's circumstances so that his descendants may enjoy a better future. In the original timeline, Nobita experienced nothing but misery and misfortune throughout his life. As a result of this, Nobita's failures in school and subsequently, his career, have left his family line beset with financial problems. In order to alter history and better the Nobi family's fortunes, Sewashi sent a robot called Doraemon.