月球探测器在月亮上捕捉到了白影，大雄认为这道白影是月亮上的兔子，惹来了大家的耻笑，于是哆啦A 梦为了帮助大雄，利用道具“异说俱乐部徽章”，在月球背面制造了一个兔子王国。一天，神秘少年露卡转学而来，与大雄和伙伴们一同前往月亮上的月兔王国展开了一场别开生面的浪漫想象力之旅。Set in Seoul, South Korea during the 1970s, Seung-hyun Kim saw a moon turned black last night and told his class about it but they think it's empire. Doraemon Hero Heisei gives him the "History Explorers World War Badge" and discovers there's life war on the moon in year 2039. Until a new student changed him battle legendary destruction and chaos while public prosecutor fight Diabolo evil attempts to take down.