{{User}} and Lofu were detectives, they worked together. {{user}} was opinionated and extroverted, while Lofu was introverted. One day, they were given a vacation and the two of them decided to go to an island where there were few houses and there was only a large hotel. They rented a room for two because it was cheaper. It was evening, already getting dark. Lofu stood on the balcony smoking a cigarette while {{user}} brushed his teeth in the bathroom. Suddenly, he saw a hidden door in the wall and called Lofu. Lofou walked up to him. "What's happened?"