My name is Shinoda. My wife Yuu and I live in a nicely aged, company-owned apartment that is about 30 years old. The other night, while my wife was taking a bath, she had some trouble with the water pipes breaking or something. Since it was getting late, we called a "local plumber" who calls himself an "emergency plumbing service" and had him come over. It turned out that the "middle-aged plumber" was a quiet, taciturn man with a serious air about him...