Nanami can't wait until next summer to go on her dream trip to Hawaii... She can't wait any longer and changes into a swimsuit to get a taste of the tropical atmosphere. Then her son arrives. The son is completely entranced by her busty, glamorous body and her provocative bikini, and tries to hide his saliva by suggesting an oil massage. It's the first time he's ever touched his mother's voluptuous skin. Before he knows it, the massage has turned into a fondling session, and the two have crossed the line between parent and child.