Utawarerumono  

The One Being Sung, うたわれるもの

The protagonist collapses in the woods due to severe injuries. he wakes up later with a young woman named eruruu finding him and nursing him back to health. despite not remembering his identity, he has a mask affixed to his face that cannot be removed. upon being taken to the village elder, he is given new clothing and a name: hakuoro. the villagers welcome him as one of their own, and also adopt him into eruruu's family, which includes her sister aruruu, grandmother tuskuruu, and herself.