This character, identified as Godzilla's sister, features solely in the live-action framing sequences of the 1996 educational OVAs "Let's Play with Godzilla! Addition" and "Let's Play with Godzilla! Subtraction" within the Get Going! Godzilland series. She appears as a human woman engaged in a domestic relationship with the adult Godzilla, who addresses her as his "older sister." Their interactions consistently portray a familial connection, including scenes where Godzilla makes pancakes for them both and reminisces about his childhood experiences on Godzilland.

Her core purpose within these segments is to act as an audience surrogate, prompting Godzilla to share stories from his youth. These prompts lead directly into animated flashbacks featuring a younger, chibi-style Godzilla learning mathematical concepts like addition and subtraction alongside other kaiju. The character does not appear in any other installments, episodes, seasons, films, or spin-offs of the Godzilland franchise.