"Dirty Pair" is a science fiction manga series set in a futuristic universe where humanity has colonized numerous planets across the galaxy. The narrative centers on Kei and Yuri, two highly skilled but notoriously chaotic agents of the World Welfare Works Association (3WA), an organization tasked with solving interplanetary crises. Known as the "Lovely Angels," the duo is often sent on missions to resolve conflicts, investigate crimes, or recover stolen items. Despite their competence, their assignments frequently result in collateral damage, earning them the nickname "Dirty Pair" among their exasperated colleagues and clients.

Kei and Yuri operate as a contrasting pair: Kei is impulsive, brash, and confident, often relying on her physical prowess and quick thinking, while Yuri is more analytical, calm, and methodical, providing a counterbalance to Kei's recklessness. Their dynamic partnership drives much of the series' humor and tension, as their differing approaches to problem-solving often lead to unpredictable outcomes. The stories typically involve high-stakes scenarios, ranging from thwarting criminal organizations to preventing planetary disasters, all while navigating the bureaucratic challenges of their employer.

The manga explores themes of teamwork, responsibility, and the consequences of unchecked power, often juxtaposing the duo's lighthearted banter with the serious nature of their missions. The series incorporates elements of action, comedy, and space opera, with a focus on the interplay between its protagonists and the futuristic world they inhabit. The setting is richly detailed, featuring advanced technology, diverse alien species, and complex political landscapes, all of which contribute to the series' immersive storytelling. Through its episodic structure, "Dirty Pair" balances standalone adventures with overarching character development, offering a blend of excitement and humor within a vividly imagined sci-fi universe.