Doraemon: the Strongest Hero

If you have a dream, go for it. Like many time-traveling troops, Nobita wants to change his life. Owning Doraemon will put him at a higher starting point. PS. The author is new, writing a book for the first time, just for fun, don't criticize if you don't like it. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.