Yi Shuangyue's tone was perfunctory, her expression was excited, and she obviously took Yi Shu's statement as an acknowledgement.

She sat back in her seat, looking at the serum in her hand, a hint of hesitation on her pretty face.

"Juju, how should I use this thing?"

"Just aim at your arm and press the button."

"It's that simple?"

"Nonsense, fool-operated device, how much trouble do you want?"

"......" Yi Shuangyue rolled up her sleeves, put the round hole at the front of the syringe on her fair skin, and pressed her fingers on the button for a long time, but she still didn't dare to press it.

"Forget it, and use it again when I return to the magic capital!"

"Are you sure you can take this on a plane?" Yi Shu glanced at her through the rearview mirror, "Don't ink, just use it here, I'll help you protect the Fa." ”

“…… All right. ”

Yi Shuangyue reluctantly agreed, looked at the syringe that was close to her skin, gritted her teeth, and pressed the button.

In the next second, a very slight pinprick sensation came from the skin, followed by a cool sensation spreading from under the skin.

It's a pity that this cooling sensation didn't last long, and soon, the serum acted on Yi Shuangyue's whole body.

With the violent beating of her heart, a fiery warm current began to flow through her body.

Yi Shuangyue looked nervous, only feeling that her body seemed to have turned into a furnace, becoming stronger and stronger and tougher under the blowing of the high-power bellows and continuous smelting.

When the effect of the serum is over, Yi Shuangyue's whole body has been wet with sweat.

She clenched her fists, her skin and muscles tensed, and a series of sounds like fried beans came from her body.

"I seem to have broken through ......"

Yi Shuangyue looked at her hands and muttered.

Yi Shu shook his head and said: "It's not just a breakthrough, your current physique is several times stronger than that of the martial artists at the peak of body forging, and Captain America is ashamed of being inferior to you." ”

Yi Shuangyue was a little incredulous: "Is there such an exaggeration? ”

Yi Shu casually threw the steering wheel lock in the car to Yi Shuangyue.

Yi Shuangyue caught the lock lever and broke it hard, but the lock lever made of steel was bent hard.

Seeing this scene, Yi Shuangyue's eyes couldn't help but widen, and she carefully put down the steering wheel lock, looking at her still slender and white hands.

"I'm a first-class master now, right?"

"Not necessarily." Yi Shu shook his head, "The strength of a martial artist is not a simple strength, a first-class master at the peak of body forging can exert two or even three times his strength by relying on his fist skills and power skills, and although you have a physique far beyond them, you can't even exert all your muscle strength." ”

"This plus and one subtraction, maybe it's not as good as a first-class master!"

The smile on Yi Shuangyue's face froze, and then she snorted twice, and muttered in a low voice: "It's amazing to punch, haven't you heard of what it means to break ten thousand laws with one force?" ”

"Just because you still want to break the ten thousand laws with one force, go back and practice for a few more years!"

Yi Shu laughed directly and mocked mercilessly.

Yi Shuangyue's pretty face suddenly turned the color of pig liver, and she clenched her fists in annoyance and slammed it on Yi Shu's shoulder, but just a few hammers, she remembered her surging strength, so she quickly stopped her hand and rubbed Yi Shu's shoulder.

"It's okay, Juju, I didn't mean to!"

"Don't worry, with your current strength, you can't hurt me."

Yi Shuangyue looked at Yi Shu with wide eyes, she didn't expect that after her brother received these few punches from her, not only did she look as usual, but she was even in the mood to mock her.

It's really distressing!

Yi Shuangyue immediately slapped the place where she was rubbing, and when she was done, she felt unrelieved, and made up a few punches with hatred.

Yi Shu's expression did not change at all, and he didn't even shake his hands holding the steering wheel.

To be honest, if he hadn't relaxed the muscles on his shoulders in time and removed the spiritual power shield and life force field, Yi Shuangyue's punches would have been enough to shake her entire arm to the point of bone splitting and soreness.

After the sister and brother fought, Yi Shuangyue picked up the steering wheel lock again and began to seriously control her power.

After all, she has practiced martial arts, although her talent is not as good as Yi Shu, but she is more or less a practitioner, and she still can't get close to four or five big men when she is idle.

For this kind of situation where the strength skyrockets, Yi Shuangyue also has her own way of dealing with it.

It didn't take long for Yi Shuangyue to barely adapt to her own strength, and although she hadn't yet achieved complete control, she could at least make accurate judgments about her strength, and she wouldn't destroy the things around her due to improper power output.

And what prompted her to do this so quickly was naturally the heart that was eager to play with her mobile phone.

"That's it! I've been able to rein in my strength, give me back your phone! ”

"Yes, I don't believe it, you lower the window in the back seat first, and after repeating it three times, the button is not broken, I believe that you can control your power."

“……”

Yi Shuangyue pursed her lips and did as she was told, and after doing so three times, Yi Shu returned the phone to her.

Yi Shuangyue took the phone, and as soon as she turned it on, she suddenly realized something, and hurriedly asked: "Wait a minute, I suddenly thought of a question, after injecting this thing, I won't become a muscular she-hulk, right?" ”

"Of course not, the serum only strengthens your existing muscles, bones and nerves, and does not achieve instant muscle gain."

Speaking of this, Yi Shu paused, and said in Yi Shuangyue's nervous gaze: "However, within two weeks to a month after the injection, there will indeed be a period of great increase in appetite, so I will give you that exercise, as long as you practice martial arts diligently according to my instructions, you can ensure that your body shape will not change much." ”

"I understand, I'll do it!"

Yi Shuangyue nodded hurriedly, looking very serious.

Yi Shu smiled with satisfaction, this was the result he wanted.

Soon, Yi Shu's car stopped, and Yi Shuangyue looked out the window and found that they had not arrived at the airport, but had stopped in front of a hotel that looked very clean and bright.

Yi Shuangyue's eyes widened and she looked at Yi Shu incredulously.

"Juju, what do you want to do, we are sisters and brothers."

"What do you want!" Yi Shu rolled his eyes, "Go to the room first, take a shower, and go to the plane in a stinky sweat, I'm afraid that you will die, in case one can't think of it, kill all the passengers on the plane, it will be bad, it will affect my father's political future." ”

“……”

Yi Shuangyue reacted at this time, hurriedly picked up her clothes and smelled them, then let go of her hand, glared at Yi Shu, picked up her bag, pushed the door and got out of the car, took out the suitcase from the trunk, turned around and walked into the hotel.

After another hour and a half, Yi Shu finally sent his sister to the airport.

Looking at the back of Yi Shuangyue dragging her suitcase and queuing up for security checks in front of her, Yi Shu looked calm, turned around and walked out of the hall.

"Xiaobei, take care of my sister for me."

"Yes!"