The two returned to the hotel, Luo Chen took out his backpack from his room, and then came to Zhao Youyou's room and took out the enhancer from the bag.

"It's all on the instructions you need to know, and if you don't have any doubts, stick a needle into the heart." Luo Chen handed the alloy box containing the reinforcing agent to Zhao Youyou.

Zhao Youyou took the box, and when he opened it, he saw two syringes, one gold and one blue. She re-read the instructions, and she found that she was not as calm as she expected, and her fingers trembled a little when she picked up the golden syringe.

"Aren't you going out?" Zhao Youyou looked at Luo Chen and hesitated.

If the syringe is injected into the heart, should I take off my shirt first?

Luo Chen said: "You haven't given birth to a child yet, and you may not have experienced the pain caused by injecting the booster, in case you lose consciousness due to pain, and when you exceed the limit of your body's tolerance, you may never wake up."

I'm watching here, maybe just in case...... If you mind, when I didn't say. After saying that, Luo Chen shrugged his shoulders and turned around and walked towards the door.

However, the limit of suffering for women is generally much higher than that of men. I once heard that if the limit of pain tolerance for ordinary people is set at 45 units, when a woman gives birth to a child, the pain she bears is as high as 57 units.

That's about the same as the pain of 20 bones broken at the same time.

It is not accurate to say that the effect of KW74 on the first use depends on how long the human will can support it.

To be precise, it is the ability to endure pain, as long as the other person can survive the first five minutes, the reinforcing agent will start to work, and the longer you persist, the more cells will be strengthened.

It cannot be denied that men are indeed inferior to women in this regard.

However, the ability to endure pain is sometimes not directly related to psychological quality and willpower.

In Luo Chen's view, what Zhao Youyou needs to face most is to accurately judge the limit of what his body can bear. For example, when the number of heart beats rises by more than 500 times a minute, it is basically on the street.

KW74 was developed, and it was used by special forces from the beginning, and it is obvious that the higher the original physical strength, the lower the risk of dying from explosion in the same time, and Zhao Youyou ...... Looks too delicate.

"Wait... Wait a minute. ”

Just as Luo Chen was about to walk to the door, Zhao Youyou's voice sounded.

Her eyes wandered: "Or, why don't you just tie my hands and feet?" ”

Zhao Youyou remembered the situation when Luo Chen used the enhancer, although she didn't see it with her own eyes, but she heard the hairy wail through the door, and the embarrassing scene she saw when the other party opened the door later, she also remembered it vividly.

She also recognized in her heart that if Luo Chen, a person who had experienced it firsthand, was present, she should be safer. As for letting the other party restrain themselves, they are also afraid that in case of emergency, they can't help but harm themselves or even commit suicide.

Although Luo Chen can sincerely tell her that external stimuli in the body can indeed play a certain auxiliary role, which can effectively divert attention and relieve the pain when the enhancer has an effect.

Luo Chen understood Zhao Youyou's thoughts, smiled, and didn't ask anything more.

He rummaged through his hotel room to see if there was anything he could use to bind him. But I didn't expect to find a set of black ropes under the bedside table, who knows how there can be such a thing in a hotel room.

"Come... Come on. Zhao Youyou's voice sounded a little nervous.

Luo Chen didn't have anything dirty in his heart, and he never thought of experimenting with the rope art he had learned in an action movie in an island country on Zhao Youyou.

simply restrained Zhao Youyou's hands and feet, and took a towel for her to bite in her mouth to prevent her from biting her tongue.

When Luo Chen did all this, he felt that the other party's body was a little hot.

Then, Luo Chen picked up the golden syringe and looked at Zhao Youyou.

Zhao Youyou nodded, and there was no trace of hesitation in his eyes.

Luo Chen unbuttoned a few buttons of the other party's upper shirt with one free hand, and then pulled it slightly, revealing snow-white skin and black underwear.

'Unexpectedly very informative! There is a C......' Luo Chen estimated in his heart.

Faced with this scene, Zhao Youyou was obviously not used to it. Her physique is normal, and her face does not appear allergies or redness, which means that she hardly blushes.

But at this time, she staggered her gaze opposite Luo Chen, and her eyes were strange.

Luo Chen didn't care so much, and the golden middle cylinder pierced directly into the other party's heart.

A few seconds later, Zhao Youyou made a muffled sound in his throat, his pupils gradually narrowed, his body began to twitch, and his beautiful little face quickly distorted......

……

An hour later, Zhao Youyou's whole body seemed to be fished out of the water, including the hotel bed lying behind her, and the ground was also wet.

Zhao Youyou inevitably showed several signs of shock during the whole process, Luo Chen did not use the method he used to keep the other party awake, but picked up a few buckets of ice water from the cold room in the hotel and poured a bucket from time to time.

The rope that binds the other party's hands and feet has long been torn off with the strengthening of the other party's body and the greatly increased strength, but the towel in her mouth is still biting hard, but it seems to be about to be bitten.

"Open your mouth, let go."

Luo Chen stepped forward and tore the towel from her mouth, Zhao Youyou sat up with a pale face, gasping for breath, and water droplets slipped down the bridge of his nose.

Her eyes were unfocused, her little face was in a trance, and she didn't seem to have detached herself from the state just now, and she didn't even notice that the shoulder strap on one side of her underwear slipped off.

The other party was struggling because of the pain just now, and the buttons of his shirt completely collapsed, inevitably exposing a piece of spring. Luo Chen looked at it with interest, and the increase in muscle mass was evident on the originally delicate body.

Zhao Youyou was originally only in his early fifties, although he was petite, but his figure was very slender, convex and backward, which can be described as exquisite. Coupled with a pure face, it can definitely stimulate many men's desire to protect.

In the eyes of some people who have a tendency to lolico, I am afraid that it is more tempting than beautiful stars and top supermodels.

It's just that after strengthening, Luo Chen can see the six-pack abs looming on the other party's slender waist and abdomen, his chest is firmer, his little buttocks are more upturned, his leg lines are more graceful, and there are obviously more muscles than before.

When helping Zhao Youyou inject inhibitors, Luo Chen personally felt that there was almost no excess fat on the other party's body.

Of course, Luo Chen himself also found that his figure did become better after being strengthened, although the size of the muscle mass was far less than that of those who stayed in the gym all year round, but the muscle density and explosiveness were definitely far exceeded.

It took a few minutes for Zhao Youyou to come to his senses, and he met Luo Chen's gaze, his head lowered and his gaze froze.

She pretended to be casual and re-pulled the straps of her underwear, buttoned her clothes again, and looked up at Luo Chen and asked, "I... How long did it last? ”

Feeling the surging power inside her body, she even had the urge to tear the tiger apart in her head, an experience she had never felt before.

Luo Chen replied: "Beyond expectations, 45 minutes, congratulations!" ”

According to what was mentioned in the manual, the longest time that a soldier in the United States can endure is about 30 minutes, and although Zhao Youyou has Luo Chen on his side, his own endurance is indeed amazing. Naturally, the benefits are also greater.

"Thank you!"

Zhao Youyou's golden pupils looked directly at Luo Chen, and he spoke very seriously.

Luo Chen smiled, he didn't feel that there was anything wrong, and accepted the other party's gratitude as a matter of course, if it wasn't limited to words, he would be even happier.

Luo Chen looked at Zhao Youyou and said, "Your physical strength has increased greatly, and you will feel discordant in a short period of time, so you can only wait for you to slowly get used to it in the future." ”

Zhao Youyou nodded, and his gaze suddenly stayed on himself.

Seeing that she was wet all over, her skin looming under her white shirt, her gaze was unnatural. However, seeing that Luo Chen didn't look embarrassed in the slightest, he finally couldn't help but say out loud: "I... Need to clean ......"

Luo Chen shrugged, lifted the backpack on the cabinet on the side, and picked up the Mo knife leaning against the corner of the wall, and walked out with great interest.

Anyway, everything that can be seen has already been seen, and what cannot be seen cannot be forced.

Walking out of the room, Luo Chen closed the door.

One glance at the empty hallway, then at the mechanical watch in his left hand.

49∶32

There is one last day left.