Shii’s Mother co-owns and operates BEURRE, a German-inspired bakery and café, with her spouse. The shop’s French-derived name, meaning "butter," nods to European baking traditions. Alongside managing the business, she and her spouse actively encourage their daughter’s pursuits, from training as a barista to exploring Italian cultural interests. Identified as a foreigner in their residential community, her specific origins remain undefined. Their neighborhood fosters connections between their daughter and local peers, many of whom share a passion for motorcycle culture. No further documented arcs or background expansions exist in related media.