"Hello mother-in-law, may I ask if there was a man in a black hat who bought something from you just now?"

Conan walked straight into the convenience store, even though he had already guessed the answer in his heart.

"Yes," the old man who sold the newspaper nodded, and said slowly, "That man did buy a newspaper from me, and bought a can of coffee for one hundred and ten yuan with a thousand-dollar bill!" That person has a very cold attitude, and there is a strange sticker on the 1,000 yuan bill he gave, he is a strange man! ”

Really. Conan's face was still calm, but he couldn't help but sigh in disappointment.

"What a cautious fellow." Conan nodded secretly, and the vigilance in his heart was much stronger.

"So, mother-in-law, do you know where the man went?" With the mentality of being lucky, Conan asked.

"Well...... old man touched his chin, "After he bought a can of coffee, he seems to be going over there to call......

"Phone ......" Conan looked at the telephone next to him and thought silently.

He piled all the change on the telephone and talked about it for a long time, until he ran out of change! I think it's about 10 minutes! "It seems that something has come to mind," the old man added.

"Now, did he ask you to exchange the money for coffee for 100 and 10 yuan?"

"Yes," the old man nodded, and said, "But when I ran out of one hundred yuan coins, I used a Wu Bai yuan coin to find him eight hundred and ninety yuan." ”

Eight hundred and ninety dollars. Conan's brain was racing, and if he made a phone call, he used so much change for ten minutes, which meant that it was a long-distance call...... He's gone......

Conan jerked his head up and looked at the tram stop next to him.

"Hello?"

Hearing the call, Conan turned around in surprise and saw that it was a man cleaning next to him.

"Looking for me?"

"Do you know the man in the black hat?" The man stepped forward, bent down and said to Conan.

"Yes, sort of." Conan nodded.

"That's great, then you'll give this to the man for me, right?" As he spoke, the man dropped a coin in Conan's hand.

"Huh? Fifty dollar coins? Conan was stunned and couldn't help but look up at the man.

"The man was in a hurry and took a fifty-dollar coin from the ticket machine for his change." The man explained with a smile.

"Ticket machines?" Conan's heart moved, "Where is the ticket machine?" ”

The man pointed to the ticket machine next to him and said, "It's from the Dongdu Line over there!" ”

"Do you know which key he pressed?" Conan said in a slightly excited tone.

"Well, this one!" The man touched his chin and said, "I saw him throw in a coin of Wu Baiyuan, and the change fell out with a clang, but I only noticed the garbage under his feet...... So, that's it! ”

"Enough!" Before the man could finish speaking, Conan jumped to his feet and ran as fast as he could to the tram stop.

In the distance, several figures stared silently at the boy's running back.

"Now, Gray Yuan-san, do you really want to follow like this?"

"Of course." The girl of the ice blue mouzi smiled faintly.

......

"Five hundred dollars minus three hundred and twenty dollars," a smile appeared at the corner of Conan's mouth, "Find one hundred yuan coin, one fifty yuan coin, and three ten yuan coins, a total of five." That is, to recover one hundred and eighty yuan of change - Dadu Station! ”

"It's good to count...... Conan's brain was racing when such a ridiculous idea suddenly popped up.

"Please....." Conan himself couldn't help but laugh, "I'm a high school student, okay!" ”

Ōdoma Station.

"It's nerve-wracking." Looking at the completely dark sky, Conan sighed helplessly.

"Forget it." Conan pushed his glasses, "If you print counterfeit money...... I guess I need a quiet place...... So ......"

"Let's go to the agent and have a look!"

......

"Warehouse?!"

"Yes!" Conan said to the man working in the agency in front of him, "It's the kind of warehouse that sits on the outskirts of the city inconspicuously, and no matter what you do in it, no matter what you do in it, has anyone come to rent it?" ”

"Recently...... "The man frowned and looked at the inconspicuous little boy in front of him, "there are no warehouses to rent out!" ”

"Well, maybe it was ...... years ago" Conan's words were interrupted by the man before he could finish his words.

"Really," the man walked up to Conan and rubbed his hair, "little friend, this will disturb our work, go back with your friends!" ”

"My friend?" Seeing that the man was quite kind, Conan looked up and asked, and at the same time, an ominous premonition flooded in his heart.

"Aren't they your friends?" The man reached out and pointed behind Conan.

"Nani?!" When he saw several figures behind him, Conan couldn't help but exclaim.

Behind him, a girl with a hairpin, a boy with a little freckles on his face, a boy with a strong body, a girl with brown hair and a cold face, and a boy with a slightly timid look on his face, all standing there with a deep dissatisfaction on their faces.

"Conan!"

"We're not going to let you play this trick!" Mitsuhiko looked at Conan with a bewildered face.

"Conan's own trick of sneaking away is the most proficient!" Yuan Tai looked at Conan indignantly.

"You ......" Conan looked confused, "how did you find me?!" ”

"Graybara-san brought us here!" Mitsuhiko pointed to the tea-haired girl who was flipping through the agency's advertisement, "She said that Edogawa-san's must have secretly gone to investigate by herself!" And sure enough, it was! ”

"Troublesome woman......" the corners of Conan's mouth twitched, "just as troublesome as that Charlotte guy!" ”

"Excuse me......" Just before Conan could think of any reason to prevaricate, Shunya suddenly spoke, "Here...... Are there any novelists? ”

"Novelist?" Conan thought of Natsume Soseki for a moment.

"Novelist?" The man was also a little confused, "What kind of novelist is there here?" ”

"Shunya," Conan couldn't find any more reason, "why do you ask?" ”

"Because ......" Jun was unexpectedly silent.

After a long time, Junya slowly spoke, and the next moment, everyone was shocked.

"My brother...... I once called home once......."