Giovanni's Island

The story follows two brothers, Junpei and Kanta, who live on the island of Shikotan, shortly after World War II. On August 15, 1945, Soviet soldiers land on Shikotan and occupy the island. Junpei and Kanta, who live with their grandfather, a fisherman, and their father, the head of the firefighting force of the village, are forced to move to the stables while the Russian commander's family, among them the commander's daughter Tanya, move into the main house. At school, Russian children occupy half the building, and Tanya and the other Russian kids begin to mingle with the Japanese children at recess. After a playground jostle makes Junpei bump into Tanya, they become friends and the two brothers are subsequently invited to Tanya's house for dinner. The brothers' uncle, Hideo, asks Junpei to light signal fires at night so that he can make trips to the main island for rations as they are running low on rice. Meanwhile, their father, Tatsuo, with the help of their school teacher, Sawako, secretly supplies the rest of the village with foodstuff from the Dawn Corps' emergency stores. When Hideo finds out about this, he tries to smuggle the food to sell outside the island, but gets caught instead. Tatsuo rushes to the cave where the Dawn Corps' supplies are kept and gets arrested. Read more on Wikipedia.