One summer day in 2005, a fifth-grade child is left alone at home as usual. His mother leaves two pages of homework, locks the front door, and heads to work.

He must finish all assigned tasks, or time will never move forward. Meanwhile, he struggles to find the door key, for something terrible is about to happen.

From the living room to the bedroom, from reality to the depths of dreams, he searches every corner and unravels a string of puzzles. As his journey unfolds, hidden family secrets and long-forgotten memories will slowly resurface one by one…

The Demo has about 1/3 content of official version game.