Ikuko kara no tegami

Following the death of her father Kazuo Momo Miyaura and her mother Ikuko travel from Tokyo to the Seto Inland Sea Momo carries Kazuos unfinished letter which contains only the words Dear Momo At her mothers estate in Shio Island 汐島 Shiojima they meet their relatives Sachio and Sae Sadahama and Koichi a postman and an old friend of Ikuko who has always had a crush on her Momo is devastated and misses Tokyo In the attic she opens a present containing a rare picture book about goblins and Yōkai collected by Sachios father Three droplets from the sky enter Ikukos estate and transform into yokai consisting of Kawa Mame and Iwa the groups leader