After six years of marriage, Ririko's daily routine is to deliver meals to a nearby restaurant. One day, a rookie part-time job black Oliver came to the delivery. Ririko who swallows saliva in a strong body that her husband does not have. The relationship between the two grows closer each time she delivers food. One midsummer day, Ririko decided to lend a shower to a sweaty Oliver. And when she goes to deliver the towel, she happens to see Oliver's big dick...