Shinjuku Kabukicho, the sleepless district where neon lights never dim and desires run unchecked, is the stage for a blistering look at the world of host clubs. At the center of it all is Emperor First, a host club ruled by two "hundred-million-yen" ace hosts: Minamoto Rikiya and Tenshi Rei. Rikiya is a cold, calculating blonde who will stop at nothing for sales, having been trapped in the industry after the club owner tricked him. Rei, his partner from their Osaka days, possesses an innocent, pretty-boy face that sharply contrasts with his ruthless debt-collection and sales tactics. Together, they turn love, obsession, and madness into cash, navigating a daily life overflowing with incidents and troubles that completely transcend common sense and ethics.

The storyline follows these top earners as they cater to their "princesses," outmaneuver rival host groups like the Darling Group led by the formidable Akase Tsubaki, and keep a wary eye on the sinister underworld figures who lurk behind the glittering surface. The narrative does not flinch from the ugliest realities of the industry: predatory "true love" sales tactics, physical and psychological abuse, and the grooming of young women into sex work to pay their tabs. At the same time, it portrays the troublesome side of the clientele, including habitual bill-jumpers and underage extortionists. The manga balances these dark elements with a pop art style and snappy, absurdist dialogue, depicting the hosts' amoral antics with a comedic, almost farcical energy.

Notable arcs include the intense rivalry between Emperor First and the Darling Group for supremacy in Kabukicho, as well as an Osaka arc where Rikiya and Rei travel to a sister shop and confront a new batch of eccentric, equally cutthroat hosts. Later chapters have also directly integrated the real-world 2025 revisions to Japan's entertainment business laws, using the story to explore the industry's reaction to increased regulation. The series serves as both a shocking exposé and a cautionary comedy, driven by author Kurese Kayahara's background as a former cabaret club worker and her extensive interviews with real hosts, aiming to educate readers about manipulative host tactics without overly demonizing or glorifying the men who wield them.