Nana Yagi, a sweet and innocent beautiful girl, experiences being a soapland girl for the first time. Invited specially from Yoshiwara, an active soapland worker teaches her the proper use of lotion and the secrets of mat play, quickly turning her into someone who performs like a pro. She challenges various new techniques she's never experienced before, including immediate handjob, immediate sex, the penetration chair, and the periscope. Highly sensitive, she ends up trembling all over on the mat despite being the one giving pleasure. With work this enjoyable, she might just get addicted. It's incredibly captivating watching Nana, who had never been involved with soaplands before, experience such thrilling excitement during her first time.