Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
The main character, Tōru Sawai, and his younger sister, Natsuha, have returned to their hometown in the mountainous village of Moshin in Kochi Prefecture for the first time in six years. In the midst of the old air, they meet with familiar people such as the spirit of the housekeeper "Aka-Saguma", childhood friend Arisu, and the flying horn of Kasa-Ei, and they begin to move their rusted memory clocks.
As Moshin continues to live, the night of the "Himemiya Ryu" summer festival comes.
In the middle of the festival, Natsuha suddenly falls.
Is the cause disease or curse?
Amidst the agitation, Tōru begins to look for clues to save Natsuha.