Tokumu Houkoukan Yumihari

After a time war devastates Japan, Shoichi and his two sisters escape with other children on a boat. They are ambushed by samurai-like figures from the future during the voyage. One girl, Shizue, loses her face to an unidentified entity. The group is saved by the crew of a mysterious warship called Yumihari. Aboard the ship, Shoichi observes that Shizue's face has fully recovered.