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He has always been ambitious, hoping to become the Army Marshal that united the universe. In his mind, in order to become the Army Marshal, he first need to become General, and way before that, a soldier. A journey of hero, an average looking young man, recently graduated from his high school accidentally enlisted in a division that, technically no longer exists. His journey began with torture, but a good torture by his instructors. He always had a dream of becoming an Army Marshal that united the humanity in the universe, and his instructors laid the foundation for him, using an unorthodox teaching methods. The first step, or the first hurdle for him was to survive his basic training in a boot camp, withstanding the good-willed tortured of his instructor. He did survive, he graduated successfully, and the sky's limit for him.

The challenger has become the champion as Ippo Makunouchi now wears the featherweight championship belt of Japan. Some time has passed since Ippo's victory, and he has found his friends and coach as supportive as ever; his crush, Kumi Mashiba, seems to enjoy spending time with him as well. Things are looking bright for the new champion, but just as he once set his sights on becoming the best, his first challenger poses an intimidating threat. Kazuki Sanada works as a doctor at the same hospital as Kumi and fights strategically. Known for integrating his knowledge of the human body into his fights, Sanada is a fearsome contender—however, more unnerving than his physical ability, he has garnered the support of the nurses. Despite being the champion, Ippo feels the pressure as he must face the daunting challenge, retain his belt, and win over the girl he loves. [Written by MAL Rewrite]

Nobita Nobi is an elementary student who hates studying, is bad at sports, and does everything half-heartedly. He is a pushover, unlucky, and fearful of many things. His personality makes him a failure in life, even affecting his progeny. This causes his great-great-grandchild, Sewashi, to take control of the situation. Sewashi travels back in time from the 22nd century to the 20th century to meet Nobita, who is shocked to see him appear out of his drawer alongside a blue robotic cat. The robotic cat calls himself Doraemon, who claims to have been pressured by Sewashi to assist Nobita, with their ultimate goal being to provide Nobita happiness. Frustrated after seeing Nobita's hopeless state, Doraemon decides to go back to the future. However, Sewashi activates a program within Doraemon that prevents him from doing so. Forced to stay, Doraemon helps Nobita using futuristic gadgets through his four-dimensional pocket—a bag containing anything inside it. Can Doraemon bring Nobita happiness and return to the future? [Written by MAL Rewrite]