Very soon.
Everyone on the fourth floor had left, and the place returned to its deathly silence.
Before leaving the post office, Yang Jian went to see Sun Rui.
Sun Rui was still alive. He was still sitting there keeping watch through the night. The oil lamp beside him was lit, giving off a dim, yellowish glow. A red candle nearby had already burned down by nearly half. Clearly, he had encountered danger last night as well.
"Last night was truly dangerous. I spent most of the night here listening to opera. Someone was singing outside the post office. It was terrifying."
He looked at Yang Jian and spoke of a very unusual supernatural incident from the previous night.
"I heard it too," Yang Jian said. "Besides that, I was attacked by other ghosts on the fourth floor. That thing codenamed the Door-Opening Ghost appeared again too. But are you sure the thing singing last night was a ghost outside the post office?"
"I should be right. At the very least, the sound didn't come from inside the post office. I even saw some strange figures outside the main entrance. It looked like a woman," Sun Rui said.
"Looks like there are ghosts near the post office too." Yang Jian frowned.
"That's what I think as well. If this continues, the outside will be affected sooner or later. Dahan City, which I'm responsible for, may be in danger. So, Captain Yang, you need to move quickly."
"Don't worry. In ten days, I'll return after delivering the letter. Then I'll go to the fifth floor. Once I reach the fifth floor, I won't take part in any more letter-delivery missions. Even if I receive a letter, I'll tear it up. And you won't need to keep guarding this place anymore."
Yang