Nikuo, who works hard every day and fulfills his responsibilities as a member of society, has decided to visit a prostitute on his monthly payday, and this time he plans to try something special. "I got a lot of overtime this month, so I'm going to call a delivery health service and try my first 4P harem course!" He immediately contacted the store and was greeted by a trio of busty girls. "Good evening, this is Mizuki♪ This is Waka♪ This is Riho♪ Customer, you ordered the immediate blowjob course, right?" They quickly started their lewd play after the greeting. "All three of us work in the same daytime workplace~" The time of happiness passed in the blink of an eye during his first amazing 4P experience... A few days after such a happy experience, he went to the hospital because he was feeling unwell and was immediately hospitalized... A mysterious approach from three busty nurses who covered their faces with masks during the checkup. The insatiable Nikuo's experience at the prostitution hospital has begun...