"Animation Runner Kuromi 2" continues the story of Mikiko Oguro, a young production assistant at the anime studio Studio Petit. After the events of the first installment, Mikiko, now more experienced, faces new challenges as she takes on the role of production manager for a new project. The studio is tasked with creating a two-episode OVA for a popular series, but the tight deadline and limited resources create significant pressure.

The narrative explores the behind-the-scenes struggles of anime production, highlighting the coordination required among animators, directors, and other staff. Mikiko must navigate interpersonal conflicts, technical difficulties, and the demanding expectations of the studio's president. Her leadership is tested as she balances the creative ambitions of the team with the practical constraints of time and budget.

Key characters include Mikiko, whose determination and resourcefulness drive the story; the eccentric and demanding director, Aoi Maeda; and the talented but overworked animators, each with their own quirks and challenges. The series delves into the collaborative nature of anime production, emphasizing the dedication and passion required to bring a project to completion.

The plot unfolds with a mix of humor and drama, capturing the chaotic yet rewarding process of creating animation. The stakes are high as the team races against the clock, and the resolution hinges on their ability to overcome obstacles and deliver a quality product. The series provides an insightful look into the anime industry, blending workplace dynamics with the creative process.