Behind Closed Doors, the Lady Is a Selfish Futanari Pervert!

During his summer break, a university student finds himself securing a lucrative part-time position working as a butler within a sprawling, upscale mansion. Filled with eager anticipation for his new employment, he is soon introduced to the estate's sole resident: a young lady whose outward appearance radiates purity, kindness, and breathtaking beauty. However, beneath this immaculate and refined facade lies a vastly different reality. As the protagonist quickly discovers behind closed doors, the young lady harbors an entirely different personality defined by selfish and perverted desires, specifically as a futanari. This sudden revelation plunges the unsuspecting new butler into an unexpected and forbidden dynamic with his employer, setting the stage for an intense private relationship that will forever alter his summer vacation.