"Wild Life" is a manga series that blends elements of medical drama, action, and adventure, centering around the life of Tasuku Ryudo, a skilled veterinarian with a mysterious past. The narrative begins with Tasuku working at a small animal clinic in Tokyo, where his exceptional abilities and unconventional methods quickly set him apart. His expertise extends beyond typical veterinary practice, as he demonstrates a profound understanding of animal behavior and physiology, often taking on cases that others deem impossible.

The story takes a dramatic turn when Tasuku's past is revealed. He was once a member of a secretive organization known as the "Wild Life Preservation Bureau," which operates in the shadows to protect endangered species and combat illegal wildlife trade. This organization employs highly trained individuals who are not only veterinarians but also skilled fighters, capable of handling dangerous situations in remote and hostile environments. Tasuku's involvement with the Bureau resurfaces when he is called upon to assist in high-stakes missions, often involving poachers, smugglers, and corrupt officials.

Throughout the series, Tasuku's dual life as a clinic veterinarian and a covert operative is explored. His missions take him to various locations around the world, from dense jungles to arid deserts, where he encounters a wide array of wildlife and confronts the ethical dilemmas of conservation versus human interests. The narrative delves into the complexities of animal rights, environmental preservation, and the moral ambiguities of Tasuku's work.

Key characters include Dr. Shunichi Soma, a fellow veterinarian and Tasuku's mentor, who provides guidance and support. There is also Rika Saionji, a journalist who becomes entangled in Tasuku's missions, often serving as a bridge between the public and the clandestine operations of the Bureau. Antagonists vary from mission to mission, ranging from ruthless poachers to powerful corporate entities exploiting natural resources.

The series is notable for its detailed depictions of veterinary procedures and animal behavior, which are grounded in real-world science, adding a layer of authenticity to the story. The action sequences are intense and well-choreographed, reflecting the high stakes of Tasuku's missions. The interplay between the personal and professional aspects of Tasuku's life adds depth to his character, making "Wild Life" a compelling read for fans of both medical dramas and action-adventure stories.