The long-awaited renovation of the couple's dream home apartment has finally begun in earnest. Skilled craftsmen from a trusted local construction company have been diligently working on the project, and progress has been smooth. However, starting one week when interior work commenced, a quiet, serious middle-aged worker named Ikeda arrived on site. From that moment, the wife began showing subtle signs of being drawn to him, and before long, it became clear she was increasingly preoccupied with his presence.