Twelve Months

Ai is a self-reliant girl that moves to Animal Village. She makes friends with the various villagers as she settles into the village. One night as she walked along the beach, she finds a message in the bottle. It sets her off on a quest of planting pine trees around the village to fulfill a miracle on the eve of the Winter Festival.

When the Agent of Spring, Hinagiku Kayo, is abducted, spring itself vanishes—plunging the world into unending winter. Refusing to give up, her devoted guard, Sakura Himedaka, searches for her for years. When Hinagiku suddenly returns, the two set out to restore the lost season, face the past that tore them apart, and reclaim the warmth they refuse to lose again.

The story takes place in the town of Izumo, in Shimane prefecture, a place steeped in folklore and ancestral traditions. Among them is the myth of Kamiari, which has given rise over the centuries to a series of celebrations that take place in October. Formerly, the month of October was called "Kannazuki" ("the month without gods") but in Izumo, it is called "Kamiarizuki" ("month of the gods") because it is considered that during this time of the year , a myriad of deities gather for a pilgrimage to the city's sanctuary. At the heart of this place lives Kanna, a young girl passionate about racing who suddenly loses all her motivation when her mother dies.

After being deserted by her parents, 11-year-old Miyori shuts her heart from the rest of the world and denies any form of human relationships. She was entrusted in the care of her grandmother who lives near a forest. Miyori will take a walk in the forest where she felt a strong sense of loneliness in the forest which seems to have nothing. However, she soon encounters unbelievable things and gradually realizes that the forest is more than what it seems...