My sister is Luna

"Why do I sense a hidden hostility towards Ming Shiyin? Don't you like him?" Yang Yuhuan asked after a moment's hesitation.

"We have different paths, so we can't work together. It's not a matter of liking or disliking each other. He's hiding himself, so I can't open my heart to him either."

"Well, this isn't what you really want to ask, is it? Just say it without any reservations, and I'll listen carefully."

Cain changed the subject, his gaze fixed on Yang Yuhuan's eyes, a look that seemed to see through everything.

"What do you think of my playing?" Yang Yuhuan seemed a little nervous.

"Good to hear."

"Anything else?" Yang Yuhuan looked at Cain expectantly, her eyes filled with longing, hoping he would discover the strangeness in her heart.

“You have a flaw,” Cain replied after a moment’s thought.

"Me?" Yang Yuhuan pointed to herself in confusion, her face full of bewilderment.

“I’m not talking about your character, but rather that your heart is flawed, your heart is incomplete,” Cain said after thinking for a moment and organizing his thoughts.

"You really did... figure it out." Yang Yuhuan sighed softly and said slowly.

"That's right, my heart is incomplete. I can feel joy, I can feel sadness, I can feel surprise, I can feel a lot of emotions, but I just can't feel happiness, I can't feel love. For me, it's all emptiness, nothing at all."

Yang Yuhuan lowered her eyes, her voice filled with sorrow, and her appearance made people feel sorry for her.

"You're the first person who can see right through me, you're amazing..."

Cain and Yang Yuhuan ate and chatted for a long time. Yang Yuhuan poured out everything she wanted to say, while Cain ate and listened quietly, occasionally saying a few words. His eyes were focused and attentive, without the slightest impatience.

Perhaps she had found a way to find happiness... Looking at Cain as her listener, Yang Yuhuan felt happy, the food tasted better, and her long-suppressed heart felt much lighter.

"It seems like it's about time. Let's continue our conversation another time when we have more free time. Let's get started."

It was past noon when Cain put down his chopsticks and saw a dozen or so well-dressed people walking past the window. His expression turned serious.

They all came out of the Prince's mansion, which means the banquet was over.

"Mm." Yang Yuhuan nodded gently, and after Cain paid the bill, she walked out of the tavern with him.

"Let's go." Cain said in a deep voice, looking at the simple and unadorned building.

He quickly found a corner and nimbly flipped over the wall.

"Do you need my help, Yuhuan?" Cain asked softly from inside.

"No need, I am not a weak woman." After saying that, Yang Yuhuan lightly jumped in like a butterfly in flight.

This appeared to be the backyard of the Prince's mansion, planted with all sorts of flowers and plants, as well as some tall trees. Cain carefully observed his surroundings.

"Oh my, the master held a banquet today, and many nobles came to gather. It was quite a lively occasion, but they've probably all left by now." A group of maids, their voices filled with excitement, passed by the back courtyard entrance.

Cain and Yang Yuhuan quickly hid behind the tree closest to the entrance to eavesdrop.

"Yes, these gentlemen are so generous! I just said a few words of praise and I was rewarded with ten taels of silver. I'm so happy! I can go buy new clothes now!" a maid said excitedly, her face beaming with joy.

"Aren't you satisfied yet? Master Wang treats us well enough. As long as we keep our mouths shut, our monthly wages are much higher than those of the servants in other mansions. You're still trying to curry favor with other noble masters. You're really a traitor." Another maid said with a hint of reproach.

"I am absolutely loyal to the master, what nonsense are you spouting..." They argued and made a scene as they gradually moved away from the backyard.

Cain emerged from behind the tree, watching the departing maids with a thoughtful expression.

"He did a pretty good job, even paying hush money to keep his presence low-key by not mentioning the Prince's Mansion. It's a pity he doesn't know that sometimes being low-key is the most conspicuous thing to do?"

"Let's go take a look at the front hall." Cain led Yang Yuhuan out of the entrance.

After passing through a straight corridor, the space suddenly opened up, revealing a spacious area with many tables arranged together, covered with leftover food. Most of the people had already left, and only the servants were cleaning up the mess left after the banquet.

"Zheng~"

Yang Yuhuan gently plucked the strings a few times, and a clear, melodious sound rang out. The servants who were tidying up instantly collapsed to the ground, seemingly falling into a deep sleep. Now, only Cain and Yang Yuhuan remained standing in the front hall.

"They're all asleep, hurry up and search them."

"Wait, there's someone in the room." Cain stopped abruptly as he walked to a nearby room, gestured to Yang Yuhuan, and whispered.

Cain crept closer to the door and gently pressed his ear against it.

"Hehe, Young Master Zhang, I've gotten my hands on two new finds these past few days. Want to try them out? They're fresh off the press~" Wang Wu, the young man who usually seemed honest, was now grinning lewdly and maliciously.

"Oh, Young Master Wang, I can't wait any longer! Take me to see it!" another rough voice said excitedly.

“Look, they’re in such a hurry. They’re waiting in the backyard. They can’t run away or spoil. We can have a couple of drinks first, and then we can talk about what we’ve been discussing. What do you think?” Wang Wu said unhurriedly.

"Of course, of course..."

Cain raised his head, his face grim, and pulled Yang Yuhuan away from the room.

"They hid something in the backyard."

“We’ll leave those two to Pei Qinhu and Ali to deal with. We’ll go find that place first. I guess it’s mostly people, those missing people, those despicable human traffickers.”

So Yang Yuhuan used her zither to send a message to Gongsun Li and the other person, and then she and Kaiyin returned to the backyard.

"It's really strange. There's nothing like an entrance. The surroundings are full of flowers, plants, and trees, and I can't see any rooms or anything like that." Yang Yuhuan looked around.

"It's really well hidden. It looks like it's probably in a basement or something. Let's step on the ground a few more times and listen to the different echoes..."

As Cain spoke, he tested the ground with his foot, but the backyard of the mansion was quite large and it would take time.

"Zheng~"

Yang Yuhuan plucked the strings again, closed her eyes, and carefully felt the changes in the sound.

"Found it." Yang Yuhuan opened her eyes and walked towards a small corner.

"Your ability is really convenient."

"This soil is still soft, it must have been added recently. The way it's handled so carefully, it must be something that can't be shown to anyone." Cain stepped on the slightly damp soil.

Cain crouched down, pulled off the flowers and grass, and dug through the soil with his hands to reveal a copper ring.

“It’s time to reveal the answer.” Cain grabbed the copper ring and pulled hard.

With a series of clicking sounds, an entrance slowly opened.

In the pitch black, a chilling aura swept over you. Every so often there was a groove, and as the entrance was opened, flames rose from the groove, illuminating a winding passage.

"There's a rotten smell to it." Cain sniffed; he had a bad feeling.

“Let’s go in and take a look.” With that, Cain led the way into the passage.

Before long, the two arrived at an underground chamber. In the empty chamber, only a few eerie flames flickered, barely resisting the darkness. The icy temperature made them shiver, and white mist could be faintly seen spreading within.

"This...this is!"

Seeing everything before him, Cain clenched his fists, while Yang Yuhuan's face turned ugly, her heart filled with uncontrollable anger.

"Hey... what are you doing here?"

Suddenly, a gloomy voice rang out behind Cain.

……