The debut company, AiRBLUE, features a group of novice voice actresses who are eager to enhance their skills and boost their self-assurance. Yet, their aspirations take an unexpected turn when the agency's leader, Masaki Ootori, discloses that they will be trying out for the anime rendition of the famous sports manga Bloomball. Despite encountering formidable obstacles, this chance offers the girls a significant opening to enter the competitive realm of voice acting.