Description

Four friends, including the adventurous Nobiru, embark on a trip to the mystical island of Yakushima, known for its breathtaking landscapes and ancient secrets. One fateful night, while exploring the island's hidden wonders, they stumble upon a mysterious cave behind a waterfall. The sound of whispers and faint echoes draws them in, and despite the treacherous path, they venture deeper into the cave.

As they navigate through the dark and winding tunnels, the cave collapses behind them, cutting off their escape route. With determination and curiosity, they press on, discovering a hidden entrance to a parallel world. In this strange and fascinating realm, they encounter sentient, mannequin-like beings who live in harmony with nature.

Nobiru, with his natural leadership, is hailed as a king by the mannequins, who possess a deep understanding of the world and its secrets. As Nobiru explores this new world, he meets the ancient and powerful Living Tree, who shares the secrets of the realm and offers to guide them on their journey home.

However, their path is fraught with danger, and they must confront the dark forces of the witches who seek to disrupt the balance of the world. After overcoming these challenges and participating in a mystical ritual, the Living Tree's guidance enables them to portal back to their own world.