I work as a salesperson for a plumbing company, and I'm living a pretty dull life. One day, feeling unmotivated, my boss told me to "go do some fieldwork to cheer myself up," so I reluctantly became a repairman. I headed to the house where I was instructed to repair the plumbing, only to find the beautiful wife, Nana, there... Nana seemed like a demure and elegant woman at first glance, but to my surprise, her neckline was...