Divine breasts, divine waist, divine hips! The tomboyish H-cup girl with the three sacred treasures , Erika Isshin, takes on the role of a soapland girl for the first time! Though she's still a little childish, she's taking the training course for active soapland girls seriously! She's excited as she desperately learns how to give a quick blowjob to a dick before being cleansed, go through a chair for quick sex, and use a periscope! Even though she's the one providing the service, she's so sensitive that she twitches and twitches during mat play! A female college student with no connection to soaplands gets her first experience at an exciting adult amusement park!