Akane Uchida is a minor supporting character in the series, working as a key animator at Musashino Animation. Her background beyond this professional role is largely undocumented in official media, though her name carries descriptive meaning, with Uchida combining the characters for inside and field, while Akane denotes a deep red dye from the rubia plant. In terms of personality, Akane shares an introverted and reserved nature similar to her colleague Ema Yasuhara. Her reserved demeanor is reflected in her minimal on-screen presence, as she typically appears only in background group shots, such as during the production celebration party in the first episode. Her role in the story is that of a supporting animator within the studio, collaborating with Ema Yasuhara and other members of the animation department during the production of the original television series. Her key relationships are primarily professional, centered on her interactions with fellow animators at Musashino Animation, particularly Ema Yasuhara. Regarding her development, Akane experiences a significant change when the cancellation of the project Time Hippopotamus severely damages the studio's finances and reputation. This event leads to a mass departure of staff, and Akane resigns from Musashino Animation, concluding her association with the studio. Her notable abilities include working as a key animator, a skilled position responsible for creating the pivotal frames that define the action and movement in an animated sequence.