The front door swung open from the outside, and Elena-Kate, with her brown hair tied in a ponytail, came in, her key dangling from her hand. Her younger brother, Harris-Kate, carried a paper bag behind her.,Before leaving, Harris turned back and said, "The bike is mine today. I'm going to tutor someone.",In the yard next door, fenced in with broken wire, a boy was digging a hole. There was a piece of cardboard beside him.。