"Duck Prince" centers on a young man named Akira Kojima, whose life takes an unexpected turn when he is cursed with the appearance of a duck. Akira, once a handsome and popular high school student, finds himself ostracized and ridiculed due to his new, bizarre form. The curse is the result of a magical mishap involving a witch named Maki, who mistakenly transforms him while attempting to cast a spell on someone else. Despite his predicament, Akira remains determined to regain his original appearance and live a normal life.

The narrative follows Akira’s efforts to break the curse, often involving humorous and chaotic situations. Maki, feeling responsible for the curse, reluctantly agrees to help him, though her spells frequently backfire or create new complications. Along the way, Akira encounters a variety of characters, including his childhood friend Yuka, who remains supportive despite his transformation, and rival love interests who complicate his relationships. The story blends comedy, romance, and supernatural elements, with Akira’s duck-like appearance serving as both a source of humor and a catalyst for personal growth.

As the series progresses, Akira’s journey becomes less about reversing the curse and more about self-acceptance and understanding the value of inner qualities over outward appearances. The interactions between Akira, Maki, and the supporting cast drive the plot, exploring themes of identity, friendship, and resilience. The manga maintains a lighthearted tone, balancing its fantastical premise with relatable emotional moments and character development.