In dire situations that require a slight chance of normality, one must often call for the help of others to bring back that usual lifestyle. In the case of ninjas, trust is a rare thing, sometimes ending in betrayal and one losing their life. However, if there is a past between allies, it would be natural for them to help one another.
“Do you know what kind of weapons are being transported?”
“I’m not too sure, but all I know is there’s a lot coming in. Just about enough to arm an entire army three times over.”
Luka's Notebooks 