"Pale Blue Dot Battle Athletes Daiundōkai ReSTART!" is a sports-themed manga series set in a futuristic world where humanity has colonized space. The story revolves around the Battle Athletes, competitors who train to participate in the prestigious Cosmic Beauty Pageant, a high-stakes athletic competition that determines the strongest and most skilled athletes in the universe. The protagonist, Akari Kanzaki, is a young girl from Earth who dreams of following in the footsteps of her mother, a legendary Battle Athlete. Despite her lack of natural talent, Akari's determination and perseverance drive her to enroll at the University Satellite, a training academy for aspiring Battle Athletes.

At the University Satellite, Akari faces intense competition from other talented students, including her rival, Kris Christopher, a skilled and confident athlete from Mars. The series explores the rigorous training regimens, physical challenges, and interpersonal dynamics among the students as they strive to qualify for the Cosmic Beauty Pageant. Akari's journey is marked by her growth as an athlete and her ability to inspire those around her, despite her initial struggles. The narrative also delves into themes of friendship, rivalry, and the pursuit of excellence, as the characters confront their own limitations and aspirations.

The story incorporates elements of science fiction, with advanced technology and space colonization playing a significant role in the setting. The Cosmic Beauty Pageant itself is a spectacle of athleticism and strategy, blending traditional sports with futuristic elements. As the competition progresses, Akari and her peers face increasingly difficult challenges, both physical and emotional, testing their resolve and teamwork. The series balances action-packed sequences with moments of character development, highlighting the personal journeys of the athletes as they strive to achieve their dreams.