A group of people dressed up as Conan characters, and I guaranteed the Black Team's advancement

In the apartment in Beika Town, the air was thick with the smell of blood, and the temperature inside was very low, with the air conditioner constantly blowing out cold air.

Shuichi Akai looked at the three corpses lined up in the room. Their faces were ashen and bluish, and the stench of death wasn't particularly strong. Clearly, the killer had deliberately turned on the air conditioning and lowered the room temperature before leaving.

Kawano Kiri pulled out two FBI badges from the three people: "Justin's badge is missing. It must have been taken by the murderer."

Shuichi Akai bent down to examine the wounds on the bodies of his three colleagues: "Almost all of them were killed with a single stab to the throat. It seems he was a professional killer."

“Justin and his team are monitoring Rena Mizunashi here. We already suspected she was connected to the organization, and now it seems that's true.” Kawano Kiri put away the two agents' badges, walked to the window, lifted a corner of the curtain, and looked at the apartment building across the street. “But even if they found out, shouldn't they have been more eager to silence her? Doesn't this just make us more suspicious of Rena Mizunashi?”

Shuichi Akai rested his long fingers on his chin, looking down at the corpses of his two colleagues on the ground, and said, "This shows that there is something they care about more than Mizunashi Rena's identity, something that absolutely cannot be discovered. I think it's probably something they've been planning recently."

"What do we do now? Should we continue to have the other colleagues monitor Rena Mizunashi?" Kawano asked tentatively.

Shuichi Akai shook his head: "There's no need for that anymore. They're already on guard, so sending more people won't make a difference. This method is useless now. If we want to figure out their plans, we can only try other methods."

Japanese TV station.

"That concludes today's episode of Yoko's Kitchen. Thank you for watching, and see you next time."

The TV station's recording studio had just finished recording an episode featuring Yoko Okino, and the guest on the show happened to be Kogoro Mouri. Ran and Conan were thus fortunate enough to come to the TV station to have some fun.

After the program ended, Yoko Okino invited Kogoro Mouri and his two companions to have breakfast at the TV station's restaurant.

“By the way, Mr. Mori, there’s something I’d like to ask you for a favor,” Yoko Okino said as she walked. “A friend of mine has recently run into some trouble, and after thinking it over, I think it’s most appropriate for me to ask you for help.”

The four of them stopped in front of a dining table. Yoko said to him, "She happens to be in the restaurant at this time. Could you please wait a moment while I go find her?"

Kogoro Mouri is a fan of Yoko Okino, so he readily agreed to her request.

Not long after, Yoko Okino brought Rena Mizunashi over: "Mr. Mori, this is my friend, Rena Mizunashi, the morning news anchor."

Kogoro Mouri stood up and shook hands with Rena Mizunashi: "Oh! So you're the beautiful news anchor from the morning news! Nice to meet you, Ms. Mizunashi. I watch your morning news program every day."

"Hello, Mr. Mori." Rena Mizunashi smiled slightly, then turned to Yoko Okino and asked, "Yoko, what's this?"

"You can tell Mr. Mori about what happened to you!"

Then, Yoko Okino told Kogoro Mouri about what Rena Mizunashi had been going through recently. Someone was ringing Rena Mizunashi's doorbell every morning, but when they opened the door, no one was there.

"So I'm asking Mr. Mori to help Rena investigate. She lives alone in an apartment, and it's really too dangerous for her to encounter something like this."

Conan listened to Rena Mizunashi's situation and secretly pondered what was going on, since it did sound like she was being monitored by some kind of pervert.

While Conan and his friends were discussing Rena Mizunashi in the restaurant, a young man wearing a baseball cap sat silently at the table behind them, quietly drinking porridge from a plastic cup.

His attire should have been quite eye-catching, but no one around him seemed to notice him. Beneath the baseball cap were a pair of dark red eyes, silently watching in the direction of Rena Mizunashi.

For a qualified assassin, the most important survival instinct is to minimize their presence. Even in a crowd, they must never attract attention.

Conan planted a bug on Rena Mizunashi's door, but nothing happened that night. Then, at the crack of dawn, a small figure appeared on Rena Mizunashi's floor. He tiptoed to the door, stepped onto a stack of magazines, and was about to ring the doorbell when suddenly a gloved hand covered his mouth from behind!

No one rang the doorbell today, but Rena Mizunashi woke up early. When Conan opened his eyes, Kogoro Mouri was still fast asleep at the door.

He glanced at his watch; it was already past seven, but the doorbell that Rena Mizunashi had mentioned hadn't rung. He got up to unlock the door, then suddenly stopped.

Two locks? Conan was taken aback, but then he thought that it wasn't too strange for Rena Mizunashi, a single woman living alone, to have two locks.

He unlocked the door and looked outside; the corridor was empty. Rena Mizunashi arrived at the door at that moment: "Did you find anything?"

Conan shook his head: "Mizunashi-neechan, it seems no one has rang the doorbell."

Rena Mizunashi was also a little puzzled. She lowered her eyes and thought about it carefully, and suddenly remembered Doyako, whom she had met a few days ago.

Has Duyago already taken care of it?

"Perhaps he just happened to have something to do today?" Rena Mizunashi said, sounding helpless. "Anyway, thank you for your help."

At this moment, Kogoro Mouri was also awakened by the noise. He stood up groggily and asked, "Well, has the person who rang the doorbell appeared yet?"

Conan and Rena Mizunashi shook their heads.

Ultimately, because Rena Mizunashi had to go to work at the TV station, Kogoro Mouri felt that letting the matter drop without investigating it properly would be a betrayal of Yoko Okino's trust. So, he unusually patted his chest and said that he would investigate the surrounding situation again while Rena Mizunashi was at work.

This strange situation piqued Conan's curiosity, but both of them felt it unnecessary to have Ran running around with them. Kogoro Mouri decided to drive Ran home first, leaving Conan to investigate the neighborhood on his own.

"Oh no, I forgot to take back the bug I stuck at Rena Mizunashi's house yesterday!" Conan suddenly remembered and quickly turned to run towards Rena Mizunashi's house. But as he walked, he heard a sound coming from his earpiece. "That's... the sound of footsteps? Could someone have stepped on it?"

The footsteps in the headphones had some faint echoes, leading Conan to guess that they had gone to a place like an underground parking garage.

They hadn't walked far when the footsteps suddenly stopped, followed by Rena Mizunashi's voice: "Why are you here?"

Who's here? Conan thought instinctively.

Meanwhile, in the underground parking garage, Kiel saw Jiang Jin leaning against the car with his arms crossed. Jiang Jin glanced at Kiel's shoes and then pointed to his own ear.

Kiel's expression changed; she understood that the other person meant there was a bugging device. She immediately began to search her body, but found nothing suspicious.

She frowned slightly as she looked at Jiang Jin, who pointed to her shoes. Kiel hesitated for a moment, then lifted her foot. She saw something stuck to the sole of her left shoe, and Kiel's heart immediately raced.

Jiang Jin reached for her shoe, pulled out a butterfly knife from his pocket, and pried off the bugging device. Then, he stomped on it and crushed it hard.

"Bah-"

A piercing sound came from the earphones, and Conan immediately took them off. He knew that the other party had discovered him.

"Who did Rena Mizunashi just see?" Conan wondered. Moreover, the sudden silence followed by the destruction of the signal device clearly indicated that the person had already discovered its existence.

Could it be... the person who rings the doorbell every day?

In the underground parking garage, Kiel put his shoes back on and heard Jiang Jin's voice: "Where did that thing come from?"

"Since you saw it at a glance, there's no need to ask me a question you already know the answer to, to test me, is there?"