Genso no Omoide is a visual novel that takes place in Okinawa. The story revolves around Hideki - a young man who never leaves his computer. One day he ends up meeting a girl on his social network and soon she becomes his virtual girlfriend. Suddenly, she messages him saying that she is coming to Okinawa to visit her relatives and can meet him for a chat. That's where it starts: Hideki's best or worst day.