Yue Ya raised his head and saw from close range a dark shadow behind the white banner. It placed both hands on the banner and blood was flowing slowly downwards through it.

Yue Ya didn't move, and the dark shadow behind the white banner didn't move either, as if it was staring at him across the white banner.

Yue Ya looked at the white banner. The bloodstains on it seemed to have no pattern, but in fact they formed four runes. These runes looked like ancient alien characters and it was impossible to tell what they meant.

Yue Ya memorized their patterns, and seeing that the shadows were still there, he hooked his finger at Fei Fei.

The black shadow didn't know what was waiting for it. It hammered the white banner and blood splashed out from the side of the banner. Yue Ya raised his hand to block it. His white shirt was stained red with blood and the smell of blood penetrated into his nose.

A gray-black hand stretched out from behind and grasped the white banner. The long black nails oozed bright red blood, leaving a trail of winding blood. Yue Ya heard a vague and dangerous growl. He guessed that the black shadow wanted to use this method to increase his fear and make another shocking appearance.

The black shadow slowly lifted the white banner, and Fei Fei walked silently behind it.

The black shadow probably sensed the danger, turned his head to look, and Feifei pounced on him and bit his arm!

The black shadow was extremely frightened and suddenly let go of the white flag and disappeared on the spot.

Feifei fell to the ground, walked in front of Baifan, looked up at Yueya, her beautiful heterochromatic eyes full of loss.

The cat food ran away and only a bite of meow was taken.

The prey bitten by Feifei rarely escapes, which shows how cunning this black shadow is.

Yueya squatted down and touched Feifei's ears, and said softly: "Don't worry, it may still be nearby. Catch it when you see it later."

Feifei raised his little head and licked Yueya's palm: "Meow~"

Yueya picked up Feifei and was about to stand up when he saw an open box with some wood carvings piled inside. Some of them were stained with blood and looked extremely evil.

He felt that the shapes of those wood carvings were somewhat similar to the alien runes on the white banner, so he carried Feifei over to investigate.

He checked the wood carvings in the box one by one, and indeed found four wood carvings that looked the same as the blood runes on the white flag.

These four wood carvings should be the code for something.

There were light footsteps sounds behind him, Yue Ya turned around and saw that it was Little Bear coming over.

She came to Yueya and asked in a low voice: "What did you find?"

Yueya showed her the wood carving and asked, "When you came here, did you see anything related to these runes?"

The little bear opened his eyes wide, turned his head and pointed at the white banner behind him: "It looks very similar to the bloody words on the cloth!"

"..." Didn't he find the wood carving by following the bloody words? Yue Ya was silent for a moment: "Besides this piece of cloth, didn't you see it anywhere else?"

Little Bear shook his head, "We searched the bar, and only found this thing."

Little Bear handed over a piece of paper. Yue Ya took it and looked at it. The pattern on the paper was the same as the visitor record book, as if it was torn off from there. There was a line of scribbled words on it -

IOU: Borrow one mask and return it within one day. If you exceed the time limit, you will pay a penalty fee of 100,000 per minute.

"Mask?" Yue Ya remembered that there were some mannequins wearing masks at the door. He asked, "Have you checked the door?"

"I've checked. There are a lot of masks. The IOU can only be used once. I wasn't sure which one I wanted so I didn't use it."

Yue Ya nodded: "Keep it for now and go find something related to runes."

The two searched around the art installation but didn't find any useful props, and the hiding shadow never appeared again.

Yueya decided to change another area. After walking for a while, he saw Xiaofeng standing not far away and waving at him. Xiaofeng probably found a clue and asked him to come over to help decipher it.

Yueya and Xiaoxiong walked over quickly. Xiaofeng pointed to a certain place and said in a low voice, "This cabinet indicates that there is something inside, but it cannot be opened."

The cabinet Xiaofeng mentioned was a decorative antique cabinet with large reliefs of varying depths on the door. Yueya carefully observed those densely packed and incomprehensible reliefs but was unable to decipher any useful information.

Little Bear rubbed his chin. "No other hints? This cabinet doesn't have a lock."

Yue Ya was still looking at the relief when he suddenly found a groove in it that looked very similar to a rune. His eyes lit up: "There is a lock, a hidden lock."

"What do you mean?"

Yue Ya took out the four rune wood carvings he had just picked up, compared them, picked up a rune wood carving of the same style, and filled it into the relief groove.

With a "click", the rune merged into the relief, emitting a faint red light.

The three of them looked at each other, with a bright look in their eyes.

Yueya distributed the remaining wood carvings to them, and the three of them worked together to find the corresponding grooves on the cabinet.

After the four wood carvings were put back in place, the wooden cabinet opened a crack.

Xiaofeng couldn't wait to open the cabinet door, and a hand suddenly stretched out from inside and grabbed his arm tightly!

His heart skipped a beat, but he bit his lip just in time to swallow the sound. He tried to break free of the hand, but the hand scratched him with several bloody marks, which was shocking.

Yueya picked up Feifei, a red light flashed in its eyes, and it bit Guishou's wrist hard!

A painful groan came from the cabinet, and the ghost hand shrank back like a loach.

Yue Ya quickly opened the cabinet door, and a barefoot male ghost was curled up inside. His hair was long and messy, covering most of his face. His resentful eyes stared at them through the gaps in his messy hair. From their breath, they could tell that he was the black shadow that had just escaped!

Feifei jumped into the cabinet excitedly. The male ghost showed a frightened expression and disappeared again.

He ran away again!

Feifei couldn't stop the car and hit its head against the cabinet wall. It failed in its second hunting attempt and felt frustrated and angry. Its head slid down the cabinet and it couldn't get up with its little butt sticking up.

Yueya patted its round little butt and said, "There are many troubles in the process of growing up. You have to learn to be patient when you encounter cunning prey... You are pressing on my brother's things, move your butt."

Feifei turned over, with his short legs pressed against his body, his tail wagging, and a look of aggrieved look in his eyes - he almost got eaten.

[The duck that was about to be eaten flew away, and it flew away twice. Fatty was mad. Let him eat, let him eat!]

[That male ghost is really as slippery as a loach]

[What is in the cabinet? Is it a photo? Is it a photo? Please open it quickly, this little level is making me anxious]

There was a yellowed envelope in the cabinet. Yueya picked it up and saw the words written on it: Dear Little Butterfly.

The handwriting is the same as the text behind the photo, which is much better looking than the dog-crawling handwriting on the IOU.

Who is Little Butterfly?

Yueya opened the envelope and a piece of letter fell out.

The letter was very thin and looked fragile. He carefully opened it and read the words on it:

"Little Butterfly, it's time to marry me, right? As long as you nod, I will give you a safe haven, and I will also treat your sister as my own sister, give her the best resources, and send her to further studies. You should know that I really love you."

Is this a proposal? Why does it sound like bribery?

Yue Ya shook the envelope, and a torn photo fell out of it. He picked it up and looked at it. The torn photo was also very irregular, and it could be seen that it was from the upper right corner of the photo.

He put the two fragments of photos together, and half of the village was revealed. In the middle was the back of a head with long black hair. It seemed that this might be a commemorative photo taken by a lady in the small village - maybe it was the little butterfly mentioned in the letter.

In the photo, the small house in the distance also became complete. Yue Ya discovered that there were masks hanging under its eaves. They were all identical fang-toothed ghost masks... He seemed to have seen this style among the pile of dummies outside the door.

Yue Ya glanced at the back of the photo and found no new clues. He handed the photo to Xiao Xiong and said, "If I remember correctly, there is a mask outside the ballroom door that is the same as the mask under the eaves in the photo."

"You remembered it right!" Little Bear was very excited, but he did not forget to lower his voice: "What is the connection between this photo and this letter? Could it be that the back of the person in the photo is Little Butterfly?"

"I guess so." Yueya put the letter away and said, "Go borrow a mask."

The three of them walked out together.

Yue Ya looked at the time. These clues were fragmented and scattered. It took a lot of time just to find the first piece of torn photo. The ball was about to start soon, and it would be even more difficult to find it then. We had to hurry.

When he arrived outside the dance hall, Yue Ya immediately locked his eyes on the fang-toothed ghost mask. He stuffed the IOU into the mannequin's pocket and took off the mask on the mannequin's face.

At this moment, the soulless plastic mannequin "came to life", with crooked facial features growing on its blank face. It suddenly leaned in front of Yue Ya and exhaled evil energy on his face: "Remember to pay it back on time! One minute overdue will cost you 100,000 yuan, not a cent less!"

This mannequin had half of its face covered by semi-long hair. It was the "loach" male ghost who had escaped twice.

Why is it him again? He pops up from time to time to scare people, and it’s hard to catch him. He’s very troublesome.

"Don't worry, I will be on time..." Yue Ya suddenly grabbed the neck of the loach male ghost. The male ghost's eyes widened, the dummy froze, the facial features disappeared, the negative energy dissipated, and it turned into an ordinary dummy again.

Yueya threw away the dummy, Feifei climbed up and took two unwilling bites, leaving a row of small teeth marks on the dummy's plastic face.

I'm so angry! We didn't catch him again!

Even outside the dance hall, Xiao Feng still habitually whispered: "Brother, is there a photo hidden in the mask?"

"Let me see." Yue Ya turned the mask over and found a photo tightly attached to the mask.

This was the second photo found in the ballroom. Yue Ya put it together with the other two photos, and the back view was almost complete, showing a slender woman in a white dress.

The little bear said, "It's just the last piece left."

At this moment, the back figure in the photo suddenly turned black, like a backlit silhouette.

"What's going on? Is this a hint?" Xiao Feng took a breath and said, "This figure looks so familiar. I feel like I've seen it somewhere before."

Little Bear patted him on the head and said, "Stupid, didn't we just pass by the picture magazine? Have you forgotten the silhouette on the picture magazine?"

Yue Ya held up the photo with the silhouette and pointed it at the poster in the center of the dance hall. There were many black silhouettes of different postures on the poster, and the photo blended perfectly into it.

Xiao Feng touched the back of his head, a little embarrassed: "No wonder it looked so familiar to me. It shrunk so small that I didn't notice it for a while."

"Let's go over and investigate." Yue Ya stepped over the threshold of the ballroom, thought for a moment, and asked everyone to fill in the visitor information again.

This game is so stupid, you'd better be careful.

Yue Ya came to the magazine and looked for silhouettes in the photo. The outlines of these silhouettes were very similar, and it took him some time to lock on one of them. He reached out and touched the silhouette that was almost identical to the photo, and received a new prompt:

[There are stains on the picture, why not find something to clean it? ]

Yue Ya smiled softly. It turned out that the cleaning agent in the first password box was to be used here. The closed loop of the ballroom hall should end here, right?

He took out the detergent and poured it on the picture. The black color on the silhouette turned into liquid and flowed downwards like a flowing black swamp. Yue Ya never took his eyes away. Although the black color on the picture was melted, the content beneath the stain was not revealed.

He waited patiently for a while and noticed that a thin piece of something had been washed down by the black liquid. He picked it up and shook off the stains on it. This was the last piece of the broken photo.

It was quite dirty. Yue Ya took out a tissue to wipe off the stains on the broken photos. Before he could analyze the contents, Xiao Feng suddenly patted his shoulder... Hmm? Why was Xiao Feng's hand shaking?

Yue Ya raised her eyes, and the silhouettes on the picture magazine had revealed their original appearance at some point, turning into a series of... black and white photos!