Mikiko Oguro, aka Kuromi, is the production manager of a small animation studio named Studio Petit. She is responsible for coordinating the work, keeping the artists on schedule and delivering completed work forth to the next stages of production.
Kuromi is young, enthusiastic and full of energy. She is willing to make good anime series and thinks that nothing is impossible. On the other hand, she is quite attentive and caring towards others. In Studio Petit, she acts as a leader who can lighten the workers with her enthusiasm.
Kuromi fell in love with animation after having watched the fictional anime Luis Monde III. Then she decided to bind her life with animation and enrolled the animation school. When Kuromi graduated from the school, she was delighted to find a job at Studio Petit. On the very first day of work she got her nickname "Kuromi" meant to abbreviate her own name.