Of course, this fake is expensive, and the training room made of gold does not belong to Galaxy Academy, and its owner is Yana.

Chu Yu was originally going to live in Galaxy Academy, but under Yana's various threats, Chu Yu could only obediently live in Yana's mansion.

Of course, there is another reason, the accommodation fee of Galaxy College is too expensive.

Chu Yu didn't want to add any more burden to Meredith.

The number reported by the light brain fluctuated up and down, but the overall trend was an increasing trend, which meant that Chu Yu's fighting skills were growing little by little.

"One hundred and six pounds ......"

When the number jù sounded, another voice echoed.

"Not bad!"

Chu Yu looked towards the door and saw Yana looking at him with a smile.

"I remember that the highest number you hit two days ago was one hundred and five, and you were able to gain one pound in just two days, which is very good!"

Facing Yana's praise and smile, Chu Yu suddenly had a bad premonition.

But he didn't know where that feeling came from.

"Come, Aunt Yana will play with you!" Yana suddenly said to Chu Yu.

Chu Yu was a little overwhelmed, but he couldn't allow him to hesitate, and Yana's right fist slammed towards his abdomen.

Chu Yu instinctively stepped back, but before he could make a move, Yana's fist slammed into his abdomen.

However, this punch didn't seem to have much strength, and Chu Yu didn't feel any pain.

At this time, Yana smiled lightly, her right fist was withdrawn with lightning speed, and her left fist continued to strike, hitting him in the head.

Chu Yu was suddenly startled, and instinctively grabbed Yana's left fist, but just before who knew that the left fist was just a false blow, Yana's right elbow had already hit Chu Yu's chest fiercely.

Second.

Although Yana's right elbow still didn't have any strength, a flame quietly burned in Chu Yu's heart.

It feels bad to be **!

Chu Yu began to fight back, using the fighting skills that Kuroko had taught him to attack Yana non-stop.

At this time, Chu Yu was like an angry lion, roaring fiercely at Yana.

But this qiē was so vulnerable in front of Yana, no matter how Chu Yu changed his movements, he couldn't pose any threat to Yana, but instead put himself in danger again and again.

But fortunately, Yana's strength is still light, otherwise Chu Yu would have been knocked down many times.

An hour later.

Chu Yu bent his body, put his hands on his legs and inhaled heavily, and bean-sized droplets of sweat continued to leave along his cheeks.

Chu Yu had never felt so tired, even after completing a day's training, he still didn't feel like this. It was as if the last ounce of strength in his body had been drained of that short hour.

"I've hit you a hundred and thirty-nine times......," Yana said.

Chu Yu's expression became very solemn, because he knew very well in his heart that he had not hit Yana once.

At this time, Yana walked towards the sandbag, and after a floating glance at Chu Yu, she smashed her fist on the sandbag.

There was a "bump", and the mechanical voice sounded again.

"Three hundred and sixty pounds ......"

Hearing this result, Chu Yu was stunned.

Yana just smashed lightly, and she had three hundred and sixty catties, if it really exploded, how many catties of power could be bombarded?

And this is still the basic power, after the expansion of the star stripe?

"In the future, I won't just attack and not be able to do anything." Yana suddenly said to Chu Yu.

Listening to Yana's words, Chu Yu's heart did not have the slightest bitterness, but instead burned with a surging battle intent.

If one wants to be strong, one must look high.

Dragging his tired body, Chu Yu once again came to Omar's courtyard.

It has been half a month since he fought against Yana for the first time, and in this half month, Chu Yu has to suffer from Yana's ** almost every day.

Yana's fighting skills were far from being comparable to Chu Yu's, and Chu Yu even wondered if there was a star beast hidden in that not strong body.

But in the same way, Chu Yu's strength is also growing in the enclave, and Chu Yu's strength has doubled in the past half a month compared to half a month ago.

Omar was still sitting in the courtyard, drinking coffee and basking in the sun.

Omar's life seems to be fixed forever.

Taking out a copy of the prototype of the composite structure that he had just borrowed from the library, Chu Yu sat down on the stone again and began to read.

In the past fifteen days, in addition to Master Max's notes, Chu Yu has read a total of three books on composite structures.

At home, he also began to try to sketch a three-star star pattern with a composite structure.

Composite structure is the first hurdle for an apprentice to become a star master, and if you want to become a star master, you must master composite structure.

Still the same as before, if there is no mentor to teach, Chu Yu will explore it by himself.

He's used to it!

In the evening, Chu Yu put away the book, then stood up, and walked towards the outside of the courtyard as usual.

But at this moment, a voice rang in his ears.

"Why did you choose me?"

Hearing this voice, Chu Yu turned his head to look back after a moment of distraction.

Omar was looking at him carefully.

Without waiting for Chu Yu to answer, Omar continued: "You should understand that those whimsical ideas of mine are not recognized, not now, maybe not in the future, maybe those are just fantasies...... If you want to give up, it's still too late. I will apply to the dean, and I believe that many people are willing to teach you. ”

After pondering for a moment, Chu Yu said to Omar, "Mentor Omar, if the first inquiry was just a whim of mine, then the second decision is the decision I have made after pondering. ”

"I have read your discussion of the infinity of composite structures, and it seems to me that it is not fanciful." Chu Yu said to Omar.

Listening to Chu Yu's words, Omar shook his head and said, "You better go." ”

Chu Yu was a little big at this time, and after pondering for a while, he suddenly said: "The reason why the composite structure cannot be infinite is because the holding space of the star pattern is limited, but if there is any way to solve the problem of accommodating space, then the infinity of the composite structure becomes possible." However, even if the accommodation space cannot be solved, as long as the volume is compressed, then the composite structure can still accommodate more...... For a particular star, even just adding one to the composite structure may bring unexpected bonuses! ”

Chu Yu's words are not groundless, in fact, microcontrol and superposition can be said to be a good way to add a composite structure.

It's just that for Chu Yu, he can't do it with his ability now.

After Chu Yu finished speaking, Omar looked at Chu Yu for a long time and did not speak. It turned out that Chu Yu had really seen the infinity of the composite structure of the theory, and what surprised him even more was that the results that Chu Yu had reached were strikingly similar to his conclusions.

As Chu Yu said, as long as the composite structure in the star stripe can be increased, even one more will bring unprecedented changes.

"If you're going to persevere, then come back tomorrow." Omar, who had been silent for a long time, suddenly said to Chu Yu.

Listening to Omar's words, Chu Yu was slightly stunned, and then hurriedly bowed to Omar and said, "Mentor, I will." ”

In the room, Chu Yu quietly sketched star patterns on a bullet, and when he looked closely, the lines on the bullet were almost invisible to the naked eye, and it was difficult to imagine how cumbersome and complicated those lines were.

There was also a box beside Chu Yu, and a total of ten bullets were placed in the box.

Although the star patterns on those star bullets were not as good as the one that Chu Yu was quietly sketching, they were much stronger than the star bullets sold on the market.

The star bullet is only the lowest level of star pattern construction, because the volume is limited, the level of the star pattern outlined is also limited, and the same power is very small, like the kind of star bullet made by the composite structure used in the last roundabout, one has reached the extreme of the star bullet.

However, the star-striped bullets outlined by Chu Yu are different, and the star-striped bullets made by microcontrol allow Chu Yu to fully outline the three basic starstripes on the bullets.

This also means that the star bullets outlined by Chu Yu have already been depicted with composite structures.

These star projectiles are for sunspots.

Chu Yu had promised to make a batch of star bullets for sunspots, although these star bullets in the box did not use the superposition technique, but the star bullets with three star stripes were no worse than the superposition technology.

And once exposed, the danger is much smaller than using superimposing.

Microcontrol is not something that everyone can master, and for several years they have been sketching the same star pattern on the bullet, I believe that except for Chu Yu, not many people can do it.

As for the star bullet in Chu Yu's hand that outlined the four basic star stripes, it was prepared for tomorrow, and he believed that this bullet could bring many surprises to Mentor Omar.

Finally, the star bullet in Chu Yu's hand was completed, and the lines on the star bullet, which had taken Chu Yu five hours, shimmered with dazzling textures under the light, like a piece of ingenious art.

"This star bullet should be able to impress Mentor Omar." Walking on the road leading to Mentor Omar's courtyard, Chu Yu lightly touched the star bullet that was placed in his pocket.

Chu Yu sketched this star bullet not to show off anything to Mentor Omar, but to prove that he had a reason to learn from Mentor Omar. It is also to prove that Mentor Omar's ideas are not whimsical.

It's just that the conditions are very harsh.

For example, if someone is willing to draw the same star pattern on a bullet for several years, then the star pattern can also be compressed.

Now that I think about it carefully, if it weren't for the environment of the Black Steel Camp, maybe Chu Yu wouldn't have been able to do it.

Just as Chu Yu was pondering as he walked, suddenly a person recklessly bumped into him.

It was also Chu Yu who didn't care, and it wasn't until that person bumped into him that Chu Yu suddenly woke up.

"......" Chu Yu, who came to his senses, was about to say something, but the other party's apology was mentioned first.

"Right...... I'm sorry! A timid voice, low and thin, not much louder than a mosquito.

It was a good-looking girl with a beautiful Kim, wearing a pair of black-rimmed glasses, and bowing her head and apologizing frequently.

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