Shojyo Koakuma Kei Kyouichi is the head of an exclusive, prostitution business. Ayaka, one of his prized employees, may look and sound young, but her carnal techniques will make her the desire of every man! When Kyouichi rescues Youri from a dangerous situation, she joins his business out of apprecition and escorts men to the proper rooms. But when a mysterious woman shows up and takes her to a room to see Ayaka in action, she's in for the shock of her life! The woman tells her that Kyouichi, the love of Youri's life, actually set her up to get her to work for his business!