Magee functions as an officially recognized navigator in Gunpla Battle Nexus Online (GBN), guiding new players through initial missions and fostering a welcoming atmosphere by effortlessly connecting people. Holding the rank of the 23rd best Diver globally, they are affiliated with the Adam's Apple force. In the sequel series, Magee operates a bar within GBN that serves as an information hub, facilitating exchanges between players of all levels. This virtual role mirrors their real-world activity running a physical bar in Tokyo, which employs Queen Bee as a barista, is frequented by Nanami Nanase, and includes a small residence on the premises for May. Magee displays a particular connection to May, though the nature of this relationship remains undefined.

Despite extensive experience and high rank, Magee dislikes being labeled a "veteran." Their personality is approachable and inclusive, enabling quick rapport. Magee exhibits fluidity regarding gender references, showing no objection to feminine terms like "pretty lady" or using "onee-san" (older sister), leading to interpretations as potentially transgender or genderfluid. Official English material uses gender-neutral "they/them" pronouns for Magee.

During earlier events, Magee witnessed the finals of the 14th Gunpla Force Tournament between Avalon and the 7th Panzer Division. Later, they assisted newcomers Riku Mikami and Yukio Hidaka, guiding their first mission. This session was interrupted by an SOS signal leading to the discovery of Sarah in an icy area. When the antagonistic Diver Do-ji tricked Riku into combat, Magee recognized the threat, urged retreat, and vowed retribution. After Riku and Yukio achieved victory through teamwork, Magee emotionally celebrated their return. Magee's skills are reflected in achievements including third place in the 5th Gundam Fight Event, thirtieth place in the Battle of A Baoa Qu Event, a Special Jury Award in the Diver Fashion Contest, and a Fair Play Award.