Shinnosuke Yakuwa

Nobita saw a moon turned yellow last night and told his class about it but they think it's funny. Doraemon gives him the "History Explorers Club Badge" and discovers there's life on the moon. Until a new student changed him forever.

Doraemon and friends trying to save a boy name Kukuru and his tribe from Gigazombie who want to change history for his own sake in the ancient times.

After being expelled from a traditional school, a hyperactive 7-year-old girl is admitted to an institution that allows children to be more independent, where she learns lessons about solidarity, empathy, and responsibility.