An OVA bundled with the limited edition 8th tankoubon volume of the manga.
In a world split between the Inside and the Outside, those living in both realms are told never to cross over to the other side, lest they be cursed. A young girl named Shiva lives on the other side, in a vacant village with a demonic guardian known only as “Teacher.” Although the two are forbidden to touch, they seem to share a bond that transcends their disparate appearances. But when Shiva leaves Teacher's care to seek out her grandmother, the secret behind her mysterious living arrangement comes to light.
The summer of his high school freshman year, Hodaka runs away from his remote island home to Tokyo, and quickly finds himself pushed to his financial and personal limits. The weather is unusually gloomy and rainy every day, as if to suggest his future. He lives his days in isolation, but finally finds work as a writer for a mysterious occult magazine. Then one day, Hodaka meets Hina on a busy street corner. This bright and strong-willed girl possesses a strange and wonderful ability: the power to stop the rain and clear the sky...
High schooler Yuu and his friend Haru get involved in a case involving his childhood friend Kotona, which forces them to go back and forth between another world that is different but is somewhat similar to their world, Ni no Kuni. The real world and Ni no Kuni, when Kotona's life is in danger, what's the ultimate choice the three of them have to make in Ni no Kuni?