Qiao Haoyu and Chang Xueliang glanced at each other, only to see that his face was a little pale.

At this time, it will definitely not be people who dare to walk around so blatantly!

"Boss, what should I do?" Chang Xueliang looked at Qiao Haoyu, and Qiao Haoyu's brave expression just now left a deep impression on him.

In such a sinister environment at this moment, Qiao Haoyu has become his only reliance.

Qiao Haoyu's knife-holding arm trembled slightly, if there was only one alien, he could rely on the iron door to block it and kill it!

However, listening to the footsteps, there is definitely more than one alien!

The iron gate can't stop several aliens from hitting themselves at the same time!

The chaotic footsteps gradually approached, and at this critical moment, Qiao Haoyu calmed down instead.

Qiao Haoyu gritted his teeth and said, "Let's go to the second floor first!" ”

According to his guess, there are already a few aliens on the second floor, and there will probably not be a few left.

Moreover, time waits for no one now, and it can be delayed if it can!

After Qiao Haoyu finished speaking, Chang Xueliang on the side immediately nodded and ran quickly to the second floor, the action made Qiao Haoyu stunned for a while, he couldn't imagine that he was such a fat person, and he ran so fast!

"Huh?" Qiao Haoyu was about to run to the second floor, when suddenly he saw something out of the corner of his eye. It was a yellowish ribozymous enzyme that looked the size of a thumb. Qiao Haoyu previously learned from a senior expert that this thumb-sized thing was called ribozyme.

Qiao Haoyu had heard that planarians could regenerate their whole body before, and he was very interested in the regeneration function of planarians. The senior expert told Qiao Haoyu that planarians can indeed regenerate their whole body, but once the ribozyme is destroyed, it cannot regenerate and dies quickly. On that day, Qiao Haoyu personally witnessed that the senior expert had done this kind of practice, and if the planarian was cut in half, he would get two planarians. The front half will have a new tail, and the back half will have a new head and a fully functional brain. Even if planarians are cut into hundreds of sections, each segment will regenerate a complete planarian after a week or two. The secret of planarian regeneration lies in the fact that there is a totipotent stem cell in its body that is scattered throughout the body, and this stem cell can differentiate into any other type of cell at any time. When the planarian body is severed, the stem cells scattered throughout the body can be transformed into various tissue cells such as nerves, muscles, and intestines, and regrow those lost parts. Then, the senior expert artificially extracted the ribozyme in the planarian body, which led to the totipotent stem cells in the planarian body that could not divide, and the planarian not only lost its ability to regenerate, but also died less than a minute later.

Then, the senior expert did not extract ribozymes, but only destroyed the real yàn of ribozymes in the planarians, and the planarians also lost their ability to regenerate, and died in less than a minute. Then, under the guidance of the senior expert, Qiao Haoyu did ribozymes in this regard. Ribozyme is the master switch for planarian regeneration. Ribozymes are found in the human body and in the vast majority of living organisms. Human survival depends on ribozymes, and once the ribozymase is considered to be extracted or destroyed, people will definitely die. The difference between humans and planarians is that planarian ribozymes allow them to regenerate indefinitely, while humans also have ribozymes, while human ribozymes currently do not have this ability to regenerate. Qiao Haoyu believes that human ribozymes should also have infinite regenerative functions like planarians, but they are temporarily frozen and need to activate it. Ribozyme is mistaken for enzyme nucleus by folk mouth, and over time, enzyme nucleus has become a common name for ribozyme.

This enzyme nucleus was lying in the alien head that was hacked to death by Qiao Haoyu just now, there was not the slightest trace of blood on it, and it looked like a transparent crystal.

Qiao Haoyu always felt that this enzyme nucleus was a little unusual, he hesitated slightly, then gritted his teeth and picked up the pale yellow enzyme nucleus and ran up to the second floor.

As soon as he reached the top of the stairs, four or five figures stumbled down the stairs!

"You're here!"

When Qiao Haoyu walked upstairs, Chang Xueliang was already standing waiting for him.

Qiao Haoyu nodded, and subconsciously glanced around, the corridor on the second floor was quiet, but there was a room with blood stains at the door.

He was alone at home, and no one greeted him in, whose blood was it? Is it the blood of the aliens who didn't say hello or the blood of the human victims who were held hostage by the aliens? And when did the alien come in? Qiao Haoyu is unknown now.

"I suspect these aliens are attracted by the smell of blood, let's find a clean place to avoid it!" Qiao Haoyu thought about it and said.

Chang Xueliang nodded and said, "I know a place with a remote location, and there is a strange person with a withdrawn personality living there, but he is very compatible with me." His dwelling should be clean, let's go to him. ”

"Well, you lead the way!" Qiao Haoyu said bluntly.

Chang Xueliang suddenly hesitated, and he said hesitantly: "I can see that buddy come out of the house several times a day, but I didn't see him come out once today." I'm afraid that if he mutates into such an alien, then we ......."

Qiao Haoyu frowned, thought for a while, and said, "Let's take a look first, let's not get busy going in first, if the situation is not right, we will run!" ”

Chang Xueliang smiled bitterly and didn't object again, but his face was not very good-looking. In case he really encounters an alien, with his size...... Where can I run away?

Of course, he didn't have any other shelter in his current situation, so he had to try his luck.

The two of them went downstairs, walked out of the courtyard gate, and crept down the path in front of the door, lest they make a sound.

Under the leadership of Chang Xueliang, the two walked to a remote corner, where there was an independent three-story building. There are no other residents within a 100-metre radius.

"That's it." Chang Xueliang pointed to the door in front of him, looking worried, he was ready to run immediately if the situation was wrong.

Qiao Haoyu was also very nervous in his heart, but looking at Chang Xueliang's pale face, he felt a lot calmer.

"You stand back, I'll open the door!" Qiao Haoyu walked to the door with a kitchen knife, turned his head and said to Chang Xueliang.

"Well, be careful!" Chang Xueliang couldn't wait for him to say this, he was immediately overjoyed, and hurriedly took a few steps back.

Qiao Haoyu took a deep breath, his face became solemn, he stretched out his left hand and held it on the door chain, the cold touch made him unable to help but pay full attention.

Open! Qiao Haoyu pushed hard!

"Whew!"

The door was not closed, and it was pushed open.

Then, a figure rushed out steeply from behind the door.

Before Qiao Haoyu could see the figure in front of him, he felt a flower in front of him, and a sense of danger rushed towards him.

At this critical moment, Qiao Haoyu rolled on a donkey and rolled to the side.

"It's a human?" As soon as he stood up, Qiao Haoyu heard a familiar boy's voice and said with a little surprise.

Turning his head in surprise, standing in front of Qiao Haoyu was a burly boy in his early twenties, more than one meter eight tall, with bulging muscles all over his body, full of explosive power.

"Xiao Yong, are you still a normal person? Not an alien? Qiao Haoyu looked at Chang Xiaoyong carefully, found that he didn't have any signs of abnormality, and said.

"Nonsense, of course I'm a normal person, you're an alien." Chang Xiaoyong looked at Qiao Haoyu and said indignantly.

"Let's come in first, there were several boys who mutated into aliens before, and now I don't know where they have gone." Chang Xiaoyong glanced around and opened the doorway.

As soon as he finished speaking, Chang Xueliang immediately got in. This fat man seems to have been waiting for his words for a long time.

Qiao Haoyu also walked in.

Chang Xiaoyong's room is very simple, a bed, a computer, a few leftover lunch boxes and some exercise equipment.

Chang Xiaoyong glanced at Qiao Haoyu, his eyes showed a little surprise, and said, "Haoyu, have you really fought with aliens?" ”

Qiao Haoyu nodded, his coat was full of blood, and his clothes were torn a few times, looking like he had just fought with someone, no wonder Chang Xiaoyong could see it at a glance.

Seeing Qiao Haoyu nodding, Chang Xiaoyong's eyes immediately lit up, and he said with great interest: "What is the result?" Have you ever beaten it? ”

Qiao Haoyu smiled bitterly and said, "If I hadn't been beaten, I guess I wouldn't be alive now!" ”

Chang Xiaoyong laughed and said, "I really didn't see it, your skills are so good!" I've tried it before, and these aliens are more than twice as strong as normal people, and their fingernails are sharper than knives, and they will bleed when they are gently rubbed, which is very difficult! Hehe, you can actually fight! ”

"Dude, did you fight an alien?" Chang Xueliang, who had never had a chance to interject while sitting on the side, suddenly looked at Chang Xiaoyong in surprise.

Chang Xiaoyong nodded and said, "I was going to do some personal business, but I met an alien in the corridor, but fortunately, I reacted quickly enough and was finally not killed by it." ”

Qiao Haoyu was shocked in his heart, he clearly knew how terrifying these aliens were, he didn't expect this brother to be able to kill them alone!

"These aliens are all people who have undergone mutations to become such bloodthirsty aliens. I saw a few aliens before, I knew them all, they were all boys from the village, I didn't expect it to be ......," Chang Xiaoyong said, and couldn't help sighing, his face a little lonely.

A few good boys have become bloodthirsty and cannibalistic aliens in a blink of an eye, and this huge contrast can't help but make people a little unacceptable.

"There are so many aliens in our village, hurry up and call the police for help!" At this time, Chang Xueliang proposed a Jianyì.

Qiao Haoyu immediately shook his head, "I called it before, but I can't get through." I guess the whole world is changing! ”

"Impossible!" Chang Xueliang's mouth opened wide.

"I think Qiao Haoyu is right!" Chang Xiaoyong on the side said: "I went online before, and many websites couldn't be opened, and within a few minutes, the connection was disconnected!" It is very likely that in an instant, the human race around the world has undergone abnormal changes! Although I don't want this to be true, if it does happen, we can't escape it and we have to face it bravely. ”

"It's absolutely impossible! Nowadays, technology is very advanced, how can there be such a ridiculous thing! If there really is any human being infected by some mysterious virus, then some government departments will definitely find out in advance! Chang Xueliang didn't believe in authenticity.

"What if...... This mysterious virus is something that even top scientists can't detect! Qiao Haoyu looked at him with a somewhat gloomy expression.

In fact, he is in a particularly bad mood at this moment!

"Dad, Mom, Liangdi......" A tear fell lightly from the corner of Qiao Haoyu's eyes.

The "Titicaca" of his fist clenched!

Suddenly, there was silence in the room.

It's been a long time.

"In any situation, we must live, we must live!" Qiao Haoyu finally broke the silence and said with a forced smile: "Don't be discouraged, after this small disaster, the future will be even better!" ”

Chang Xiaoyong pondered for a moment and said, "You're right, the only thing we have to do now is to live, we must live!" ”

At this time, the outside is already calm, and the alien should go away.

Chang Xiaoyong said: "Let's go out and have a look, and by the way, go to your house to clean up the scene, and don't leave traces." ”

"Well, it's time to clean up the scene." Qiao Haoyu nodded.

When the three of them walked out of Chang Xiaoyong's house and came to Qiao Haoyu's house together, they were clean and clean, without any bloodstains, and the alien body that Qiao Haoyu killed was gone.