Atsushi is so addicted to sex that he has spent all his part-time job earnings. His mother keeps asking him what he is spending the money on, but today he goes to his first "mature woman soapland" with great enthusiasm. However, when he meets the most popular soapland girl, he finds his mother, who was supposed to be at home just a moment ago, right in front of him! Atsushi stands there stunned, but...