Her first time having sex with her first boyfriend. But it didn't go well, and he couldn't cum either... "I want to have sex that will earn him praise." With this pure desire, she comes up with the idea of ​​practicing at a brothel! First, at an onakura club. Aoi, who tends to be swayed by her customers and gives excessive service, next goes for real sex at a delivery service, and before she knows it, she's become a respectable sex worker who even does raw creampies at a soapland! She started working at a brothel for her boyfriend. But when it comes to real sex with him, she overdoes it with her sex techniques...