Physically, Gigi is described as a female with green eyes and orange hair cut to approximately ear-length. She appears to be a teenager. Her character design includes a maid outfit, complete with a headdress, as well as thigh-high boots and stockings.

Unfortunately, the search results do not provide any information regarding her personality, backstory, specific motivations, or her precise role in the story. Her relationships with other characters, particularly with the protagonist Noah Ararat, are not detailed. There is also no information about her character development throughout the series or any notable abilities she might possess. The sources confirm her voice actress is Misaki Watada, but this detail is not to be included per the user's instructions and has been intentionally omitted from this description. In summary, while Gigi is confirmed as a main character with a distinctive visual design as a maid, the deeper narrative elements of her role remain undocumented in the available materials.