Satoshi decided to go to soapland, which she had longed for, saying, "I hope that my first part-time job will be something to remember." Satoshi, a virgin who is still in the back, uses her courage to appoint a top ranker girl recommended by the store manager. What appeared there was a mother who was supposed to be part-timer! !! A son who is surprised at the gorgeous dress that can not be imagined from the plain clothes at home. The two go into the back of the store so that the people in the store don't realize what happened.