"Animation Runner Kuromi" is a two-episode OVA series set in the anime production industry, offering a behind-the-scenes look at the challenges of creating animated content. The story centers on Mikiko Oguro, a young and enthusiastic animator who lands her dream job at Studio Petit, a small anime production company. Shortly after joining, she is unexpectedly promoted to the position of animation runner, a role that involves coordinating between various departments and ensuring the production stays on schedule. This promotion comes with significant pressure, as the studio is behind on its latest project, a 26-episode series titled "Time Journeys."

Mikiko, nicknamed Kuromi, quickly discovers the chaotic nature of the studio. The staff is overworked, deadlines are tight, and the team is plagued by personal quirks and inefficiencies. Key characters include the laid-back director, the perfectionist key animator, and the overworked production assistant, each contributing to the studio's dysfunction. Kuromi must navigate these challenges while managing her own inexperience, striving to keep the project on track despite constant setbacks.

The narrative highlights the realities of anime production, from missed deadlines and budget constraints to the creative clashes between staff members. Kuromi’s determination and resourcefulness are tested as she works to motivate the team, resolve conflicts, and meet the looming deadlines. The series provides a humorous yet realistic portrayal of the industry, emphasizing the collaborative effort required to bring an anime to life. Through its concise runtime, "Animation Runner Kuromi" effectively captures the highs and lows of creative work, offering an engaging and informative glimpse into the world of anime production.