"Three-Eyed One - Prince in the Devil Island" is a classic anime series based on the manga by Osamu Tezuka. The story centers on Sharaku Hosuke, a seemingly ordinary boy with a mysterious third eye hidden beneath a bandage on his forehead. This third eye grants him extraordinary powers, including heightened intelligence and supernatural abilities, but it also ties him to an ancient and powerful civilization. When the third eye is revealed, Sharaku transforms into a ruthless and calculating individual, driven by the instincts of his ancestral lineage.

The narrative begins with Sharaku living a peaceful life with his adoptive family, unaware of his true origins. However, his life takes a dramatic turn when he is targeted by a secretive organization seeking to exploit his powers. This organization, led by the enigmatic Dr. Haniwa, believes Sharaku holds the key to unlocking the secrets of the Three-Eyed Tribe, an advanced civilization that once ruled the Earth. As Sharaku becomes entangled in this conflict, he is forced to confront his dual nature—balancing his human emotions with the cold, logical tendencies of his Three-Eyed persona.

The plot intensifies when Sharaku and his companions, including his loyal friend Wato and the resourceful Chiyoko, are drawn to a remote and dangerous location known as Devil Island. This island serves as a focal point for the series, as it is rumored to hold the remnants of the Three-Eyed Tribe's technology and knowledge. The journey to Devil Island is fraught with peril, as Sharaku and his allies face off against Dr. Haniwa's forces, as well as otherworldly creatures and ancient traps designed to test their resolve.

Throughout the series, Sharaku's internal struggle remains a central theme. His third eye represents both a blessing and a curse, as it grants him immense power but also threatens to consume his humanity. The dynamic between his two identities—compassionate boy and ruthless prince—drives much of the character development and tension. Supporting characters like Wato and Chiyoko provide emotional grounding, offering friendship and loyalty that help Sharaku navigate his dual existence.

The series blends elements of adventure, mystery, and science fiction, with a strong emphasis on exploration and discovery. The narrative delves into themes of identity, power, and the consequences of wielding knowledge beyond human understanding. As Sharaku uncovers the secrets of the Three-Eyed Tribe, he must also grapple with the moral implications of his abilities and the legacy he is destined to inherit. The story builds toward a climactic confrontation on Devil Island, where the fate of both Sharaku and the world hangs in the balance.