If you're about to buy something, do something that feels good and forget about it." After breaking up with his girlfriend, Yamagi couldn't stop shopping online, and one day he mixed up his package on the train. When he looked inside, he found that the prepared food he had bought for dinner had been replaced with adult goods! The person who mixed up the package was Ishikura, the manager of an adult goods store. When Ishikura found out that Yamagi was a writer, he asked him to write a review of the store's products. What's more, Ishikura himself held the goods in his hands... "It's stimulating, you might get addicted," he whispered in his ear, and he was made to climax until he was gooey and sticky... It was a stimulation he had never experienced before that felt so good...! A dry rationalist and a serious, lonely person. The two started as a business-like relationship, but...