Three months passed in the blink of an eye.

It is summer in Japan at the end of July. The hot weather reminds people of delicious iced watermelon and the strange sounds made by opening their mouths towards the electric fan. Combined with the high and low calls of summer cicadas, it creates a unique summer song.

Students who have successfully welcomed summer vacation after the first semester naturally like summer, but for office workers who have few holidays throughout the year, the most hated season is summer - because running around in a suit under the scorching sun is really a very painful thing.

Isn’t it?

Otaki Goro, who had just returned from outside, was sweating profusely. When he took off his suit jacket, Fujiwara Yu, who was sitting at his workstation, almost thought that the weather forecast was inaccurate and it turned from sunny to rainy.

The amount of sweat he produced was comparable to that of a drowned rat after a heavy downpour.

Otaki Goro bent down to take out an iced Coca-Cola from his small cooler. He unscrewed the bottle, but before he could even take a sip, a sinister hand snatched it away. He looked at Takashi Sosuke with confusion and asked:

"Sousuke, what are you doing?"

After working together for more than half a year, Otaki Goro had successfully changed the way he addressed him. Fujiwara Yu calmly screwed the cap back on and, out of kindness, handed him his bottle of room-temperature mineral water.

"Senior, if you feel hot, you can't drink iced drinks right away. It's very bad for your stomach. It's better to drink something at room temperature first."

"Oh, I didn't know that. Thanks!"

After putting down the Coca-Cola, Fujiwara Yu returned to his workstation and slumped down on it. It was great that he didn't have to worry about the case. After all, Senior Otaki had been training new employees these two days, so he could slack off in the office.

But things are never as simple as we imagine. When it was almost lunchtime, the phone rang.

Oh no, to be precise, the cell phone rang, and the caller ID showed it was Hattori Heiji.

Summer vacation, Hattori, mobile phone.

These three things combined together give an ominous premonition. Could it be that this brat is in trouble again and needs my help?

Fujiwara Yuu answered the phone reluctantly, his face full of unhappiness:

"Hey, Hattori, what do you want to talk to me about..."

"Brother Yingsi, I found body parts here, and I think... Hey! Who told you guys to take pictures? Stop right now!!!"

Following Hattori Heiji's roar, the phone was immediately hung up.

Fujiwara Yuu realized that the scene would be vandalized, and that this might be a serious case of dismemberment. Without hesitation, he grabbed his suit jacket and rushed out the door.

"Otaki-senpai has a case, please look after the office!"

"Eh? Aren't you going to have lunch?" Otaki Goro didn't get a reply. He looked at the unheated sandwich on Takashi's table. He had no choice but to shrug his shoulders and take it away to finish it. He would buy him something hot after he finished the case.

After Fujiwara Yu arrived at the parking lot and sat on his motorcycle, he took out an electronic watch. This was a gift sent to him by Hiroki Sawada last week. It was a watch with a positioning function, which could track the other person's location as long as it was recorded in the other person's mobile phone.

In order to confirm the positioning function of the electronic watch, he naturally recorded it into Hattori Heiji's mobile phone for an attempt. After seeing the flashing green dot located at 4-12, Moma-cho, Miyakojima-ku, he immediately started his motorcycle and drove away.

The journey of less than six kilometers didn't take long. When Fujiwara Yu took off his motorcycle helmet, he noticed that this was Yodogawa River Park, one of the places for Osaka residents to enjoy cherry blossoms in spring. However, in this season without cherry blossoms, no one would come here to play except the residents in the surrounding area.

He quickly approached the direction of the green dot, and after running a few steps, he heard Hattori Heiji's loud voice.

"Didn't I already tell you that it's forbidden to disturb the crime scene? Why are you guys still running in? If you're treated as suspects, don't blame me for not warning you!"

Hattori Heiji opened his arms in dismay as he looked at the men and women filming the dismembered body with their phones. "Do these people have no sense of the law at all? And with those playful smiles on their faces, don't they understand the importance of respecting the dead?"

"Hi, are you a police officer? You're here to maintain order?"

"That's right, taking a few pictures won't hurt a thing!"

A young man with dyed yellow hair raised his phone to take a few more selfies, but as soon as he turned around, he was met with a pair of cold eyes. Even though it was summer, he couldn't help but shiver.

Damn, who is this tall guy?

Fujiwara Yu calmly deleted the photos of the dismembered body from his phone and said coldly:

"Don't interfere with the police, or do you want to experience what it's like to be handcuffed?"

Upon learning they were police officers, several young men immediately bowed and scraped. Clearly, they only knew how to take advantage of the weak, and when they actually encountered the police, they immediately backed down. The girl clearly recognized Sosuke Takagi, and even after walking away, she began to explain Officer Takagi's reputation to her friends.

"Brother Yingsi, you came a little too fast. Did you run a red light?"

Fujiwara Yuu saw that Hattori Heiji had no doubts about how he found this place. Thinking about his green lights all the way, he sighed and replied:

"No, I just used my luck unnecessarily."

"The body parts are right here, but we only found the calf." Hattori Heiji pointed to a calf wrapped in plastic wrap and shrugged. "This is my first time encountering body parts, so I'm hesitant to open that suitcase."

Fujiwara Yu noticed a suitcase lying next to a tree. It was a brand he had never seen before and the workmanship was very cheap. It would be an unrealistic search channel to start the investigation from the purchase records of the suitcase. He could only pray that there was the victim's head in the suitcase.

Having the head at least allows us to confirm the identity of the victim, and the case can progress faster.

Before opening the suitcase, Fujiwara Yuu did not forget to glance at Hattori Heiji's face. He looked like he was about to vomit. This kid was quite brave. Most people would scream and cry when they saw the dismembered body, but those with a weaker mentality would probably be scared to death.

"Hattori, if you can't accept it, just stay away. Don't feel ashamed. You are already very brave."

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"...No, if I want to become a qualified detective, how can I back down from something like this?" Hattori Heiji frowned. He had already experienced the feeling of wanting to vomit once during the Sad Love Lake Case, but at that time, the desire to protect Kazuha took over most of his feeling, and he successfully offset the fear.

Fujiwara Yuu stopped zipping up the suitcase again. He turned his head and looked at Hattori Heiji. After a long silence, he waved at him, his tone still tinged with a hint of disgust:

"Oh, then stay away from me a little."

"Eh?" Hattori Heiji took two steps back obediently but found that he couldn't see the suitcase clearly. He frowned and said, "But Brother Yingsi, if you're farther away, I won't be able to see it. You don't have to worry about me. The worst that can happen is that I'll vomit it out!"

"You're overthinking it. I'm not worried about you. I'm just afraid you'll vomit on me."

“…”