As a result, there are plenty of activities Naruto and his friends got up to before their kids began their journey at the Ninja Academy. There is at least a decade that goes by between the War and Boruto entering the Academy, which leaves plenty of time for things like training, missions, and starting a family. However, this is because some items from the Hiden novels released between the Naruto and Boruto mangas were adapted for the final arcs of the series - including one very big wedding. Following the events of the Fourth Shinobi World War, the allied shinobi nations took a step to strengthen their bonds.