"Adam, I'll be waiting on the 11th floor." After the funeral of your father, you receive a letter. The letter states that ownership of the 11th floor building 'Origin' has been transferred. On the back, there's a message urging you to come to the 11th floor. What awaits you on the 11th floor? The 11F is a mansion of mysterious horror. Encounter traces of former residents and strange phenomena gradually revealing themselves. Can you make it to the 11th floor while avoiding these things? You're free to use any means necessary. The choice of which door to open is up to you. Upon reaching the 11th floor, various mysteries and horrors are likely awaiting you. In such circumstances, it's crucial to cautiously explore and carefully observe your surroundings. Here are some strategies to consider when entering the 11th floor: 1. **Exploration and Investigation**: Upon arrival at the 11th floor, begin by exploring your surroundings and investigating any strange occurrences. Collect items and record unusual events that you encounter. 2. **Utilize Your Environment**: Utilize furniture or objects in your surroundings to solve problems. Look for hidden keys or clues. 3. **Traces of Previous Residents**: Examine the traces left behind by previous residents and try to understand the current situation through their experiences. 4. **Maintain Silence**: Given the potential dangers on the 11th floor, it's important to remain quiet and vigilant. "Read the book 'Our Troublemaker Neighbor' thoroughly!" Once you've arrived on the 11th floor, rely on your judgment and deduction skills to overcome the situation. Through various choices, you'll experience an adventure in this mysterious place.