Chapter 669 feels somewhat familiar.
"Oh." Kawasaki Machi responded subconsciously, then realized what she meant and looked at Maru with a face full of questions, "Huh?? What's with that tone you're using to coax a child??"
Zhenliu uttered a "heh," and said, "You just acted like a child who's afraid of needles."
Kawasaki Machi: "..."
After drawing blood, Kawasaki Maru took the broken cotton swab (leaving only the end) and medical tape and pressed them onto the injection site, leaving a message before turning and leaving.
"You get some rest, I have some things to take care of."
Kawakita Machi: "???"
"We'll be going now, remember to eat something."
After Conan finished speaking, he walked out of the room with Professor Agasa, Subaru Okiya, and the others.
As soon as the door was closed, the bewildered look on Kawasaki Machi's face vanished instantly, and he began leisurely drinking his still-hot porridge.
Yes, I've confirmed the taste; it was made by Ai Haibara.
Conan and Professor Agasa followed Maru Kawakita to the Agasa residence next door, while Subaru Okiya did not come along because he knew of Ai Haibara's resistance to him.
Kawasaki Maru turned to Professor Agasa and said, "I'd like to borrow your lab for a bit."
"Can."
Before Professor Agasa could speak, Ai Haibara, who was standing at the entrance to the underground laboratory, spoke first.
Kawasaki Masuru glanced at her, thanked her, and stepped inside.
Conan and the others followed behind.
After Kawasaki Maru finished the blood test, Conan couldn't wait to ask, "What were the results?"
"As we suspected, he was injected with a recovery drug, but it was also a temporary drug during the experimental phase, and his current state may not last long."
Looking at the results displayed on the computer, Kawasaki Maru's gaze remained calm. "It's clear that Death used Makoto as a mobile experimental subject."
After bringing Kawasato Machi back yesterday, Conan called Kawasato Machi from Agasa's house and learned some things from him.
Machi Kawakita was once injected with a drug by Death, the effects of which were the opposite of those of APTX-4869 taken by Conan and his friends.
The real effect of that drug is to reverse aging, not to cause murder like APTX-4869, which has a high probability of causing harm and a low probability of shrinking like Conan and his friends.
However, that drug has major flaws, such as the fact that true knowledge in a child's state is not the same as true knowledge and memory in an adult's state.
Death developed another drug for this situation. Since Kawashima Machi was one of the first people to be injected with the 'rejuvenation' drug, they went to great lengths to come to them in order to test the effects of this drug.
However, the result is obvious.
It was completely useless; instead, it allowed Kawasaki Machi to revert to his adult state.
It was precisely because their memories were not connected that Kawasaki Maru kept these things from him.
Glancing at Conan, who was deep in thought, Kawasaki Maru interrupted his thoughts in a calm voice, "Don't think that the drug that Makoto was injected with last night will have the same effect on you."
Conan wasn't ashamed that his little scheme had been guessed. "I was just guessing," he said.
On second thought, he suddenly remembered the medication that Behringer had given him before!
"By the way, Behringer once gave me a drug that could help me recover. Could it be related to this?" His eyes lit up, and he became excited and expectant.
Upon hearing this, Kawasaki Maru remained silent for a moment and thought about it. "That kind of drug was probably developed after Makoto was injected with the drug and shrunk, but it didn't work on Makoto."
As he spoke, he looked down at Conan and said, "Even Behringer doesn't understand this kind of thing. You really dare to listen to what he says and then do it."
Conan was speechless for a moment, and laughed twice to try to get by. Although he now realized that he had been too reckless, he couldn't help but drink because he couldn't bear to see Ran waiting for him in the snowy night.
One can only say whether he was lucky or fortunate... after all, he did manage to recover briefly at the time.
"What medicine?" Ai Haibara, who had been quietly standing to the side, suddenly spoke up.
She glanced at Conan; this probably happened before they met.
Sure enough, this guy used to be fearless, daring to try any kind of medicine.
"You want to take a look?" Kawasaki Maru glanced at Ai Haibara, then took out her phone and typed a message, "I'll have someone send it over."
Conan's eyes lit up again.
The antidote that Haibara is currently developing in the experimental stage is becoming less and less effective for him, but if he can get some inspiration from the drugs that Behefinger used on him in the past, perhaps the development of the antidote will improve.
Noticing Conan's excitement, Ai Haibara sneered and poured a bucket of ice water on him, saying, "Don't be too happy yet. Even if that drug works, what if you develop a resistance to it?"
Sure enough, Conan not only calmed down, but he even looked a little dejected.
"What about Makoto?" Seeing that they had all fallen silent, Dr. Agasa asked with some concern.
While deleting the information about the 'rejuvenation' drug from her computer, Kawasaki Maru replied, "There's no need to worry about Machi in his adult form, but Death will definitely send people to keep an eye on him, and we don't know when Machi will turn back into a child."
"Does he know anything about Death?" Conan asked.
"I know some, but not much."
After tidying everything up, Kawasato Maru returned to the Kudo residence to check on Kawasato Machi's condition.
As someone who was suddenly taken home by someone else, Kawasaki Machi was wearing Okiya Subaru's clothes at the moment.
He straightened his long, pink hair that reached his thighs, and as soon as he saw Kawasei Maru, he happily floated over and hugged his shoulder. "Hey, Maru~ don't always have such a cold face."
"Just stay here for now, call me if anything comes up."
Kawasaki Maru glanced at him, but didn't break free from his embrace. She simply said something in a low voice.
"Huh?? Why?" Kawasaki Machi looked surprised and hooked her arm around his shoulder as they walked outside.
"Ask less why."
Zhenliu remained cold and sarcastic.
"Alright then." Kawasaki Machi said nonchalantly, "Although I don't know what you're investigating this time, I'll just do as you say."
Upon seeing Conan appear, Machi raised her hand and waved to them, "Hi."
Then, she brought Maru close to him and asked in a low voice, "I have a question. What kind of person is Mr. Okiya? I feel like I know him a little."
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