缺钱的OL・渡濑咲找了个给XL避孕套写评价的兼职，但她并不知道该怎么写，这事被上司·须藤圭介知道后，他就身体力行的和咲来了次临床测评。咲也就知道了上司其实是拥有XL size大宝贝的男人，两个人的恋情就此开始。
遇播放卡顿或无法播放时，可切换线路播放
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