Yurika is a very studious girl with glasses who comes to Tokyo to attend university. However, she easily gets lost because it is her first time in the city. And that was when a handsome man named Kousuke reached out to help her, causing her heart to flutter. But after a few months, she becomes Kousuke's lewd cumdump and in the end, he throws her away... Yurika, who still has that trauma, is now a well-respected doctor, but she sometimes remembers the sex she had back then and feels tormented. Then one day, Kousuke comes to the hospital where she works as a salesman for a medical device manufacturer. As soon as Yurika saw him, memories from those days came flooding back, causing her well-trained body to go into heat...!?