Momo e no Tegami

Momo, a girl who lived in a large city, relocates with her mother to a secluded island after her father's early death. The island features traditional wooden structures, forested shrines, and terraced fields, but lacks modern conveniences. Momo struggles with the change and remains unsettled by a letter her father left behind, addressed to her but containing only two words. While searching the attic of their new home, she discovers a tattered book, triggering strange occurrences.