NADA Holdings

12-year-old Oriko Seki, who lost her parents in a car accident, ended up living in her grandmother's Onsen Ryokan "Haru no Ya." With the ghost "Uribou" cohabitating with her and all the other odds, she ended up training to be a young female innkeeper. At first, she didn't like the training, but gradually felt her admiration for her title and began to train seriously. Thus, the growth of the young warrior Oriko begins.

The story centers on the melody played by the protagonist (Yoh). When his voice transcends time and space to reach Meguriboshi (another planet far away from Earth), many mysteries that were not told in the original story are revealed.