Zero's familiar chevalier

The last battle between Tristain and Albion is on the horizon, but when a brief ceasefire gives everyone a chance to rest and reflect, Saito finds himself clashing with Louise once again -- and driven into Siesta's waiting arms. Tristain's victory seems inevitable until an unexpected, magical attack turns the tide against them. With his love ones in danger and his life on the line, will Saito finally figure out what he's fighting for?