Giovanni's Island Blu-ray contains the animated film directed by Mizuho Nishikubo.

Junpei and Kanta live in Shikotan, a rural fishing village that has been isolated from turmoil during World War II. The brothers are named after Giovanni and Campanella from their father’s favorite book, Night on the Galactic Railroad, which becomes a source of solace in the aftermath of Japan’s defeat. When Soviet forces arrive with their families to settle in the local town, Junpei meets Tanya, the daughter of the commander. Despite their language barrier and growing tension, the children soon form an unlikely friendship.