Thoughts back to the present.

The 100 seconds passed quietly, and Haga Kayosuke put the toy in his hand that was turned off by default because it exceeded the operating time, and put it back into his pocket, saying:

"Don't play this anymore, it's meaningless to always draw. Would you like to try something that is more difficult? You should be able to play the piano. In fact, before I received your call, I just finished the prototype of a piece of music... "

"Still playing? It should be time for me to come up with the question." Ye Gengyi said.

"Hmm..." Kayosuke Haga nodded, "No problem."

Anyway, the self with absolute pitch is not just the best violin, as long as it is an instrument that can produce sound, he can complete a piece of music even if it is a leaf, a rubber band, or a glass of water.

However…

A few minutes later, Haga Kosuke looked at the numbers and symbols on the paper that he could understand separately, but couldn't understand the situation when connected:

"This, this, this... You asked me to do math problems?!"

"Mathematics and physics to be precise."

Ye Geng died fish eyes:

"I noticed that in addition to musical instruments in your room, there are strings, tuning forks, decibel meters, and frequency counters... I will teach you the most basic ones first, that is, how to use them to calculate the vibration frequency of musical instruments, and the propagation of sound in air and water resistance formula, and then we compare and see who can more accurately calculate their filter characteristic curves within one cycle."

"..."

Kayosuke Haga was silent for a moment: "Can I regret it..."

"What, are you going to admit defeat?" Ye Geng asked.

"No, I mean we can't, at least we shouldn't..."

Haga Kayosuke struggled for a while, then sighed helplessly: "Oh, well, you won, let's ask..."

"Well, it should."

Ye Geng nodded, ignoring the gloomy gaze from the other party, and was about to follow the rules of the game and ask some detailed content full of verbal traps, when he suddenly saw a few familiar figures walking outside the window from the corner of his sight.

It was Conan Edogawa in a small blue suit, and beside him were Kogoro Mori, Kogoro Mori, and his childhood friend Mori Ran, who were the tools of the Shinigami elementary school student.

How did they come here?

Wait... button tone.

All right.

The tips came really fast.

After thinking about this, the reason why the little detective came to Shilejia has become unimportant.

With the help of Haga Kosuke's absolute pitch and intonation to get the set of numbers, how far the other party will go to death with his unrestrained personality, even Ye Geng can't assume for a while.

but…

If Xiao Ai can warn Conan before he makes any outrageous actions, or simply involve Belmode and make both of them suffer, it may not be a bad thing in the long run.

It's just that, to investigate a bombing case by myself, it takes so much trouble to play boring games with people, and the elementary school students of death can get clues just by going out to collect heads?

It's a bit frustrating to be successful...

Ye Gengyi was silent for a moment, and said, "It's too boring to ask questions, because I can't guarantee that you won't lie."

"Uh...then what do you want?" Kyōsuke Haga was curious.

"Change it to a condition."

Ye Gengyi said, pointing out the window, "Did you see that little boy with a big head? He is also playing a game with me, the condition is that if he wants to ask you for help with something, leave him alone."

Do you also do math and physics problems?

Yu He Xiangfu sweated a little, and felt that this condition was nothing rare, thinking that Ye Gengyi was giving himself a step down, so he nodded immediately and said:

"Okay, I promise."

He paused, then smiled and said, "Then it's my turn to ask questions again?"

"What's the bet?" Ye Gengyi asked, "If you lose, you will surrender?"

"Hey, it's really not me who installed that bomb!"

Haga Kayosuke said helplessly: "I just want to invite you to relax and relax. You should be able to hear the sound of the violin that has been floating in from the window since the beginning. It is my niece's birthday party tonight. She is in the next room for the practice program, how about going to enjoy it in advance?"

"In advance, does it mean that something will happen tonight to interrupt the performance?"

Ye Gengyi was not as sure as he is now, but Conan is here, can the accident be far behind?

Do you want to be so sharp?

Haga Kayosuke felt as if he was lifting a rock and hitting his own foot, his expression stiffened unnaturally, he could only turn around and walk quickly to the next door, knocking on the door to cover up his guilty conscience.

"Here we come~"

The melodious violin sound stopped abruptly, followed by a girl's clear and sweet voice:

"Butler Jinqu, don't be so strict, I'm really doing well... Huh? It's Uncle Haga!"

"Lian Xi."

Yu He Xiangfu greeted with a smile, stepped aside to let Ye Gengyi behind him, and said, "Do you mind if my friend and I go in to listen?"

"Of course I don't mind...no, you are very welcome!"

Shirara Lianxi showed an excited and unconcealable expression of excitement, "Please be sure to tell me what is lacking in the performance!"

"Okay." Yu He Xiangsuke agreed casually, and hurriedly ran to the seat by the window to sit down.

The plan of revenge must be carried out. As for this cold-faced criminal policeman, fortunately he came to investigate the bomb case at the Domoto Conservatory of Music that had nothing to do with him. If you can bear it, huh... you can delay it for as long as you can.

…

On the other side, in the courtyard of the villa.

The housekeeper Jinqu Hongsheng is about to take Conan, Mori Ran and Mori Kogoro around for a tour.

"I'm really sorry, I can't take you there now, because Miss Lianxi is currently practicing the violin in the annex."

"Huh? Violin, so this is a live performance?" Mori Kogoro was surprised, "I thought someone was listening to the music."

"It's really amazing." Mao Lilan couldn't help but sigh with emotion.

"Although I don't know what Miss entrusts you, a famous detective, to investigate, but please don't disturb her right now."

The housekeeper pushed the gold-rimmed glasses on the bridge of her nose: "Because tonight's performance is very important..."

"Is today a special day?" Mori Kogoro took the opportunity to ask.

"Today is our master's 72nd birthday," said the housekeeper, "Miss Lianxi is very talented, but because she is still young, she is easily disturbed by the outside atmosphere, so I hope you can understand."

"Understand, understand."

Mori Kogoro looked around, UU Reading www.uukanshu.com was going to find a sculpture or a green plant, and casually chatted a few words to pass the time.

Just listening, Conan said suddenly: "But, the sound of the violin seems to have stopped."

Um?

"Really."

Mo Lilan and Mori Kogoro turned their heads to look at the annex.

"Really, what the **** are you doing, miss..."

The housekeeper frowned, but she couldn't leave the guests in the yard, so she said:

"Please come with me too."

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