Kyonyû tengoku: Yure momi soap

Original title: 巨乳天国 ゆれ揉みソープ

To repay the debts of her boyfriend Takeshi, who ran away after turning to loan sharks, Misono starts working at the soapland Dream Girl. Although she is hesitant, she receives instruction on sexual satisfaction techniques from the manager, Tachibana, and veteran soapland girl Miwa, and grows into a professional soapland girl.