The 7th exclusive release from star in the rough, Mio Ishikawa! This time she encounters the unknown! Her first attempt at being a soapland girl! A special lecturer from Yoshiwara is invited to teach her how to mix lotion and mat play. Her first attempt at instant sex, chair penetration, periscope, and more! Even though she's the one providing service, her sensitivity is so high that her whole body twitches on the mat! It feels so good that she might become addicted to adult amusement parks! A thrilling first experience for a girl who grew up without any connection to soaplands! Soapland service!