Having just graduated from animation school, Mikiko Oguro eagerly arrives at Studio Petit for her first day of work. However, an unfortunate situation suddenly paves the way for the novice animator to become the production manager of Time Journeys: an upcoming TV anime with a tight production schedule. Struggling to pull various creatives together to keep the series on track for broadcasting, Mikiko quickly learns how stressful anime production can be and gets some first-hand experience with the herculean efforts it takes to create a work that can touch viewers' hearts.