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.