Takeshi Shinozuka has finally achieved his dream—moving into a perfect new home with his family. Their happiness is made even greater by their kind and helpful neighbor, Shirazawa. From household favors to helping with work and parenting struggles, Shirazawa always seems to be there when they need him. Before long, Takeshi and his family come to rely on him completely—but by the time they realize it, it's already too late. A psychological thriller of twisted bonds—where neighbors become rivals in a deadly struggle for control!