**Lucy May** works for Akuu Shoukai, a company specializing in acquiring goods for clients, including those seeking revenge who prefer no questions asked. She procures equipment and oversees proper usage. Lucy May possesses high intelligence and maintains a professional, detached demeanor. Her physical appearance features black hair and grey eyes.

In the OVA episodes, Lucy May supplies chlorine gas to disgruntled ex-employees hired to attack a hotel where Murasaki Kuhōin and her friends are using a private swimming pool. She coincidentally monitors the operation from within the same building. Recognizing the presence of Murasaki's companions—skilled individuals like Shinkurō Kurenai, Yūno Hōzuki, and the bodyguard Lin—Lucy May anticipates complications for her clients. She offers additional assistance from Akuu Shoukai to ensure mission success, but the clients decline. Lucy May then withdraws to avoid compromising her position, maintaining plausible deniability while allowing the plot to proceed. This intervention establishes her role in facilitating antagonistic actions against the main cast.

No concrete information exists regarding her background story, character development, or appearances beyond the OVAs.