Samurais are gaining popularity over Japan.  A documentary crew is interviewing some of them including Bokuden-chan, the strongest swordsman, but when the film comes out.  The Samurai Girls have a new problem to deal with.
Possibly, but this problem 
involves the Samurai.
Probablemente no, pero el 
problema está en los samura.
Probablemente no, pero el 
problema está en los samuráis.
Possivelmente, mas esse problema envolve os Samurais.