A hidden gem located in Tokyo, this high-end men's spa is not featured in adult magazines and boasts an average waiting list of over six months, making it abnormally popular. The girls working here are said to surpass even gravure idols in beauty and physique, drawing widespread attention. An insider male employee reveals the store's secret service, which begins with "I want to have sex with you, big brother..." Through intimate treatments, male customers become fully erect, enjoying an intense and sensual spa experience. The real reason for its popularity lies in this erotic service. The shop secretly offers creampie finishes, greatly increasing customer satisfaction.