Samurai Warriors 2:XL - Ina's Dream - Defense of Numata Castle (360)

This battle is just Ina and a few generics guarding the castle. After fending off everyone currently approaching, Masayuki and Yukimura charge you and no matter what happens they end up inside the castle regardless. Then a lot of reinforcements ride in and you have to protect the above ground castle before moving to retake the underground Masayuki is in.