The early morning sunlight poured into the room through the window. Fujiwara Yu, who was sleeping soundly, was not woken up by the alarm clock he set. Instead, the mobile phone in his hand kept vibrating. The numbness forced him to open his eyes, and there were faint dark circles under his eyes.

He wanted to stay in bed for a while longer, but due to the importance of the call, he patiently answered it. Then an unexpected voice came from the other end of the line... It turned out that it was not the Metropolitan Police Department calling.

"Brother Takashi, why are you so slow in answering the phone? Are you still sleeping in bed?" Hattori Heiji put on a black woolen hat and said as he sorted out the books in his hand. He got up so early because he had an appointment with his classmates to go to the school's kendo field to practice kendo.

Fujiwara Yuu's eyes fell on the alarm clock on the bedside table. There was still nearly an hour before the alarm clock he set. Naturally, his tone was not much better due to lack of sleep. He said weakly:

"If you have to fart, do it now. If you don't, get out of here."

Unaware that Takashi Sosuke didn't want to continue the conversation, Hattori Heiji was cheerful on his own. He looked at the flyer for the Pomme smartphone's Tokyo debut on his desk and said excitedly:

"Brother Yingsi, don't sleep. The smartphone is launched in Tokyo. Please buy one for me and Kazuha!"

Hattori Heiji thought that Takashi would also be very fond of smartphones. This was because the Pomme Group, which distributes mobile phones, had ushered in the 4G era. With their phones, users could access the internet, enjoy entertainment, and other functions, effectively making their phones function like laptops. He thought that Takashi would be very interested in such a convenient technology product.

However, Fujiwara Yu, who was still sleepy and a little confused, did not notice the words "smartphone". He only realized that Hattori Heiji wanted him to buy a mobile phone. He hung up the phone with a serious face and did not forget to turn off the phone when he fell asleep.

Hattori Heiji, who had the call hung up, was full of questions. He thought that Brother Takashi had hung up accidentally, so he called back and heard "The user you dialed is turned off."

How could Brother Ying Si be so ruthless? No, it must be that Brother Ying Si found a better partner in Tokyo, so he no longer cares about me, a detective in Kansai.

Hattori Heiji looked at the newspaper placed in the other corner of the desk. The headline of the largest section of the newspaper was written in large letters: "Sherlock Holmes of the Heisei Era, Kudo Shinichi". He frowned and stared at the confident black-haired boy in the newspaper, and the desire to win gradually rose in his heart.

He had recently started following a high school detective named Kudo Shinichi, which reminded him of the junior high school boy he had met at the ski resort a year prior. He had fought him to a draw, and he hadn't seen him since. He wondered if he was still interested in mystery.

"Kudo Shinichi, huh, looks like I need to find some time to go to Tokyo."

Hattori Heiji has always liked challenges. In addition, boys of this age are at the peak of their desire to win and their competitive spirit, so naturally they want to compete with peers of the same type.

"Heiji, what are you dawdling for up there? If you don't leave now, you're going to be late!"

"I know, I'll be right there!"

At this time, Fujiwara Yu, who had already hung up the phone, found that he couldn't fall asleep at all. His sleep was light to begin with, and it was difficult for him to fall asleep again after being interrupted by Hattori Heiji's call.

Damn, this guy called me so early in the morning and it turned out to be about a smartphone. He’s crazy!

Wait, what did he ask me to buy?

Realizing something was amiss, Fujiwara Yu suddenly rose from the bed, staring blankly at the white wall in front of him for a long moment in deep thought before revealing an incredulous expression:

“…a smartphone?!”

How could Hattori Heiji mention smartphones? According to my memories from my past life, the Pomme Group established a branch in Tokyo in 2010, the same year the first 4G smartphone was launched in Tokyo.

Besides, it's 2002 now. How is it possible that technology has advanced 8 years in a single day?

Fujiwara Yu shook his head, thinking that he must have heard it wrong. He lay back on the bed and tried to fall asleep, but found that his mind was full of the words "smartphone". In desperation, he had to turn on his phone again and ask Hattori Heiji what was going on.

bite.

As soon as I turned on the phone, I received a missed call notification, followed by an email from Hattori Heiji.

[Hattori Heiji: Brother Takashi, I'm so sorry to disturb your sleep. But Kazuha and I really want a Pomme smartphone, so please, please, please help us buy it! I've asked my dad to transfer the money to you, thank you for your help!]

It’s true, I didn’t hear it wrong.

Fujiwara Yu stared at the email in a daze. He raised his hand and pinched his cheek hard. The pain was very clear, which proved that he was not dreaming... Pomme Group's 4G smartphone was really released 8 years ahead of schedule.

"Are you kidding me? Is this the butterfly effect?"

No, there has never been such an outrageous technological advancement before. What went wrong?

Fujiwara Yu, who was worried, planned to ask for leave from the Metropolitan Police Department after breakfast. He had to go to the smartphone launch conference to take a look. There couldn't be another outsider like him in the world.

Wash your hair, blow dry your hair, wash up, and change clothes.

After completing all the preparations before going out, Fujiwara Yu yawned as he walked down the stairs to the kitchen. Seeing Miyano Akemi frying tamagoyaki, he slowly approached her and rested his chin on her shoulder, his voice raspy from waking up:

"I was woken up by a phone call from someone I don't know. I'm so sleepy... Can I have a good morning kiss?"

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