Fukushuu wa Gouhou-teki ni

Mayu, an office worker, is betrayed by her boyfriend and later encounters Ellis, a striking woman who introduces her to a legal detective agency. Inside, Mayu discovers that Ellis's perceived identity is not what it seems and meets a young girl who refers to herself as Ellis's secretary. Becoming wary of Ellis, Mayu attempts to leave but is offered a special proposition known as the "secret menu" by Ellis.