Iroha ~Aki no Yuuhi ni Kagefumi o~

There is an old village deep in the mountain. Riku lives there peacefully with Waka, a doctor, and his pet cat. But one day, Waka comes back to the village with a small girl. She is Yuna, but she doesn't know where she comes from. And Yuna starts to live at their house together until they find her parents...