Love Affair Planet.

It's near the end of the war. A mysterious woman named Teru who lives by the sea finds two soldiers, Terada and Yamazaki, swimming ashore from a sunken warship. Teru carries the injured Yamazaki back to her house and uses her mysterious powers to heal his wounds. Terada learns a surprising fact from Teru: they are not on Earth. The two have been transported in a time capsule to a planet similar to Earth, on the other side of the sun. Teru was once married to an Earthling. Now, faced with a new Earthling, Teru and her daughter Miru... A fateful encounter between an alien who looks just like a human woman and a soldier, and the dramatic love story of a couple that transcends time and space.