Tohru was searching the internet for a soapland to visit with his first part-time job earnings when he found a top ranking lady at a mature soapland and made a reservation. However, the lady who showed up was actually his own mother! In the awkward atmosphere, the mother told her son, "Since you've come all the way here..." and let him enjoy her soapland play. The son ejaculates many times due to his mother's superb bubble technique, which is beyond his imagination, and becomes so engrossed that he forgets that the lady is his mother...