"Can't Win With You!" centers on the lives of two high school students, Ayumu Tanaka and Riku Narumiya, whose personalities and circumstances create a dynamic interplay of rivalry and camaraderie. Ayumu is a diligent, hardworking student who excels academically but struggles with self-confidence and social interactions. Riku, on the other hand, is a naturally gifted athlete with a carefree attitude, often overshadowing Ayumu’s efforts despite his lack of discipline. The story explores their evolving relationship as they navigate the pressures of school, personal insecurities, and societal expectations.

The narrative begins with Ayumu harboring a deep-seated resentment toward Riku, whom he perceives as effortlessly successful without putting in the same level of effort. This tension is exacerbated when they are paired together for a school project, forcing them to confront their differences. As the story progresses, their interactions reveal layers of vulnerability and mutual respect. Ayumu’s determination to prove himself and Riku’s gradual realization of his own shortcomings create a compelling dynamic, blending moments of humor, conflict, and introspection.

Supporting characters, such as Ayumu’s childhood friend, Yui, and Riku’s teammate, Haruto, add depth to the story by providing contrasting perspectives and emotional stakes. Yui’s unwavering support for Ayumu highlights his growth, while Haruto’s competitive nature challenges Riku to reflect on his own motivations. The series also delves into themes of self-worth, the value of hard work, and the complexities of human relationships, all set against the backdrop of high school life.

The plot unfolds through a series of interconnected arcs, each focusing on specific challenges faced by the characters, such as academic competitions, sports tournaments, and personal dilemmas. These events serve as catalysts for character development, pushing Ayumu and Riku to confront their fears and aspirations. The manga balances lighthearted moments with poignant reflections, creating a narrative that resonates with readers through its relatable struggles and heartfelt resolutions.