"Symphonic Poem: Jungle Emperor Leo" is a 1997 anime series based on Osamu Tezuka's manga "Jungle Emperor," also known as "Kimba the White Lion." The story is set in the African savanna and follows Leo, a young white lion destined to become the king of the jungle. After the death of his father, Panja, who was killed by human hunters, Leo is separated from his mother, Lyra, and taken to a zoo in a distant city. There, he grows up under the care of humans, learning about their world and developing a deep sense of empathy and understanding for both animals and people.

Upon returning to the jungle as a young adult, Leo faces numerous challenges. The once-thriving animal kingdom is now in disarray, with rival factions vying for control and humans encroaching on their territory. Leo's vision is to create a harmonious coexistence between animals and humans, inspired by his experiences in the human world. However, his ideals are met with resistance from both sides. Some animals, led by the cunning leopard Ham Egg, oppose his leadership, while human hunters and developers continue to threaten the jungle's survival.

Leo's journey is marked by his efforts to unite the animal kingdom and protect their home. He forms alliances with various animal tribes, including the elephants, baboons, and antelopes, while also confronting dangerous adversaries like the ruthless hunter Bubu and the power-hungry human leader, Higeoyaji. Throughout the series, Leo's character is defined by his unwavering determination, compassion, and willingness to sacrifice for the greater good. His relationships with key characters, such as his childhood friend and love interest, Lune, and his loyal companions, Tommy the chimp and Coco the parrot, further highlight his growth as a leader.

The narrative explores themes of environmentalism, the impact of human activity on nature, and the struggle for peace and coexistence. Leo's quest to fulfill his father's legacy and create a better future for the jungle is central to the story. The series balances moments of intense action and drama with heartfelt scenes that emphasize the bonds between characters and the importance of unity. As Leo faces both internal and external conflicts, his journey becomes a poignant tale of resilience, leadership, and the enduring connection between all living beings.