I'll tell you the secret and let's laugh together!

Hearing the topic come back to himself, Emperor Mu Wu had become numb. He felt that not only did he have no privileges with Xitong, but he was also being targeted.

If Xi Tong could be touched, he really wanted to shake Xi Tong's shoulders and ask: When exposing the melons of a few princes, why did you have to take him along? Can't you just let him eat the melon quietly?

[What's wrong with the emperor?] Ning Zhiyi thought no one was paying attention to him, so he quietly moved a few steps towards Emperor Mu Wu, obviously wanting to stick close to him and eat melons.

Eunuch Quanzhi moved aside to make room for her. He had a smile on his face but was already roaring in his heart, "Ancestor, this is the imperial palace, how dare you get close to the emperor!"

If I didn't know your identity in advance, I might have claimed to be related to the hedgehog by now!

The guards who secretly protect the emperor and the empress are no pushovers. Not to mention the close protection, there are countless archers hiding in the dark.

System: [The Emperor knows his sons’ personalities very well and knows that they are all swindlers, so he never used any of the strange little things sent by the Fourth Prince and put them all away in a box.]

The Fourth Prince's eyes immediately became resentful, and he looked at Emperor Mu Wu dimly.

Emperor Mu Wu felt a little uncomfortable and began to blame himself, wondering if he had gone too far. After all, it was the child's love.

He still has some silver in his private treasury, why not give it to the fourth brother first?

[Hahaha, Your Majesty must be afraid of being cheated, but I think that after so many years of research, the Fourth Prince should at least come up with a "finished product", otherwise it would be so embarrassing.]

Ning Zhiyi's laughter was very magical, the tones of the three "ha"s gradually decreased. The Fourth Prince touched his ears unconsciously, thinking that this laughter was quite interesting, and he also wanted to laugh like that.

The Second Prince and the Fifth Prince thought about how they had been cheated time and time again, and once again distanced themselves from the Fourth Prince. In their memories, it seemed that they had never succeeded.

Even if it’s just once!

The Fourth Prince was unaware of the resentment of his elder and younger brothers. He raised his head, which had just been slightly lowered, high again. Every research he conducted was a finished product and a success!

System: [It has never been successful. Maybe the genius's ideas are different from those of normal people like you. He has his own way of thinking. For example, the queen suffers from insomnia. Normal people would think of ways to regulate the queen's body, but he simply and crudely drugged her.]

[Oh, I understand. The Fourth Prince is a person who values ​​results. Although his method did not cure the Queen's insomnia, he made her fall asleep successfully. However, his method only treats the symptoms and not the root cause.] Ning Zhiyi sorted out what the system said and summarized it.

[Yes, that's right. It's because of his way of thinking that he has not succeeded in any research after so many years of research, because his initial research concept was wrong, haha.] The system laughed mercilessly.

With the explanations from the system and Ning Zhiyi, the others suddenly understood what was going on and finally had a reasonable explanation for the irrationality in the Fourth Prince's research.

While others realized the truth, the Fourth Prince seemed to have just been struck by lightning. Was his research wrong?

"No way!"

The Second Prince and the Fifth Prince stared at him coldly, which made the Fourth Prince feel nervous. His tone was not as confident anymore, and he whispered, "No way?"

[I think the Fourth Prince may need a correct guide. With proper guidance, his smart brain will surely be of great use.]

Ning Zhiyi walked over to the Fourth Prince, wiped his face with his hand, and said, "Your Highness, there is something I need your help to research."

The Fourth Prince became alert and said, "Miss Ning, please speak."

"Oh, the Fourth Prince has good eyesight. I want something called a fan. Its structure is like this... How about it? Do you understand?"

The weather will be hot in a while. If she can't make an air conditioner, can she make a fan? The best thing she can do is to make a heat-relief device. She had asked someone to make a fan before, but had never succeeded. Just now, a light bulb went off in her head, and the Fourth Prince gave her hope.

After hearing Ning Zhiyi's story, the Fourth Prince's eyes lit up amazingly. This structure was really magical. As long as a hand crank was placed behind the "fan", air could be blown out continuously.

The Second Prince was afraid that Ning Zhiyi would be cheated, so he reached out and pulled her sleeve, saying loudly, "You can't trust him. Everything he makes is a scam. Don't be fooled by him."

The Fourth Prince: ...

Shouldn't he be here? He should be in the lake.

"That's right, the fourth prince is very unreliable." The fifth prince covered his face and said with a melancholy look on his face.

Ning Zhiyi smelled the scent of the melon and urged him to continue.

"Oh, it's all tears now. I was ten years old that year, and a tooth at the back of my head hurt so much!" The fifth prince pointed to the place he was covering with his hand. "It hurt so much that I couldn't eat or sleep. When my fourth brother heard about it, he found me and said mysteriously that he could help me solve the pain, and then I believed him."

"What did the imperial physician say? Wouldn't it be more reliable to listen to him?"

"At the time, the imperial physician said it was a normal phenomenon that everyone has to go through. My mother also said it was normal, but the pain was really unbearable. When I heard that my fourth brother could relieve the pain, I didn't think much about it and agreed immediately."

The Fifth Prince had a painful look on his face when he said this, and the Second Prince added, "You don't know how mean the Fourth Prince is. The way he said to solve the pain was to pull out the Fifth Prince's teeth!"

"The screams of Lao Wu that day were so heartbreaking and made anyone who heard them cry!"

The fourth prince was not convinced and expressed his own understanding, "Old Fifth, that's just normal tooth replacement. I've experienced it too. All you have to do is remove the tooth and wait for the new tooth to grow out. And this trick of mine really solved his toothache problem for him."

The fifth prince snorted. Although his fourth brother had solved his toothache problem for him, during the tooth extraction process, he felt pain that was ten times more painful than the toothache!

After talking about the Fifth Prince, the Second Prince began to complain to Ning Zhiyi, "The Fifth Prince is better. No matter what the process was, the Fourth Prince at least solved his problem. But in my case, the Fourth Prince only cheated me."