in the Country of Hearts: Sleepless Butterfly and Other Stories
The village of Kinase is known as "a village protected by god," and siblings Kaya and Rin grew up surrounded by its deep forest. Despite not being related by blood, they have a strong bond. However, they keep a secret from the rest of the village. This story is included with three others, including "Kaze ni Hana ni Kimi ni," where Erika meets a boy named Ryousuke who has lost his passion for swimming, "Monochrome World," where Jun sees the world in black and white since a traumatic Christmas Day, and "Alice in the Country of Hearts."