YesNo Puzzle Collection

My friends and I agreed to go to an abandoned castle for a Halloween costume party, but in the end, I was the only one left... Please deduce the full story.

John went to the restroom, but then found he couldn't get out. Clues: John's four internal monologues. 'It seems I can leave now?'... 'Can I really leave?'... 'No! I absolutely cannot leave!'... 'I guess I'm stuck here forever...'

'Your food delivery has arrived.' 'Okay.' After the door closed, the man closed his eyes in terror. Soon after, he felt his heart wrench with fear.

An old man went to the library every week to borrow books, but each time before borrowing, he would turn to page 30. Why?

A person came out of a house, hailed a taxi, and then was never able to return to that house. Why?

The most tragic thing happened, but the bystander smiled after discovering the killer. What happened?

A person lived in a cabin on a mountaintop. In the middle of the night, they heard a knock at the door, but when they opened it, no one was there, so they went back to sleep. The next day, a dead body was found at the foot of the mountain, and the police took the person from the mountaintop away. Why?

Under B's leadership, A successfully completed a mission. When A returned triumphantly, B gave A a large sum of money, saying, 'Well done! You deserve this.' The next day, B sent someone to kill A. At A's funeral, C secretly told B, 'Thank you so much!' What happened?

It's Sarah's birthday today. Candles flickered, laughter filled the air, but she herself cried out, 'I'm going to die!' Why?

The light on John's balcony was broken and kept flickering. Later, a new owner moved in, and even though they knew the light was faulty, they didn't fix it.

A man climbed a ladder into a house and took out many valuable items. Several police officers saw him as he came down the ladder, but he was not punished. Why?

Jack, who had been asleep for a long time, woke up. He wanted to say something but couldn't utter a word.