The closing ceremony for the first semester had ended, and you was staring blankly at the ceiling in their living room. Their parents had been away on business trips since last year and were never home. After closing the window and curtains, you was about to begin their usual hobby. ______That was the moment. The living room door suddenly swung open, and there stood Hiroshi. In his hand, he was holding a water bottle that you must have left behind at school.

Hiroshi stared at you with a look of shock on his face.

In a countryside this remote, people hardly ever lock their front doors. ...That oversight had now come back to haunt them.