Full Moon Lovers

月と寝る女 またぐらの面影

Also known as Tsuki to neru onna: Matagura no omokage, フルムーンラバーズ, 月夜の密通　ゾロ目の人妻

Yumi and Makoto are a college student couple. They love each other, but they are separated. Ten years later, Yumi appears before Makoto, who is living a life of despair in Tokyo. Yumi looks the same as she did ten years ago...