On Sunday evening, when I went to the cooking class, I thought about going over together, but Gray didn't agree, saying that I just wanted to learn French cuisine quietly.

"Do I look like a plague god?"

Gao Cheng sat alone in the office that was very neatly groomed by Ashbara, holding Mangono dog's head and scratching the itch a little bored, and after a while, he watched Yoko Okino's CD video.

One person and one dog watched TV quietly, and when it was almost nine o'clock, Gao Cheng couldn't hold it anymore and gradually fell asleep on the sofa.

He has only completed a commission in the past two days, and he is too tired to pay a little commission fee.

Half past nine o'clock, and it was close to ten o'clock before Gray Plains returned to the office bathed in the moonlight.

When I opened the office door, I immediately saw Gao Cheng and Manguno asleep on the sofa, and the TV was still on, still playing Yoko Okino's program.

Gray Yuan exhaled helplessly, helped Gao Cheng cover the blanket, and cleaned up the messy snacks on the coffee table before returning to the third floor.

……

At around 10 p.m., the streets along the Sakura River are quite quiet, and the evening breeze blows through the river, and people who have been tired from the day close their stores, doors and windows one after another to prepare for rest.

In a street-side house, a man sits in a meticulously tidy tatami room, kneeling in front of a bookshelf full of books, a book already on a small table in front of him.

After turning the pages of the book, adjusting the recording equipment, holding the broken screen mobile phone to confirm the time, he cleared his throat a little before officially reading the recording.

"Under the Wheels", by Hermann Hesse, there is no doubt that Hans Gibbenrath was a gifted child, and the mere running with other children could tell at a glance what was unusual about him......"

The man's breeze, listening to a melodious and quiet pastoral music, and as if bathed in the warm sun, the man himself seems to enjoy it very much, and there is no usual troubles in his heart, and he is extraordinarily quiet.

That feeling was quickly shattered, with a bustle of motor engines and hip-hop ringing in the streets outside, as well as a bunch of undesirable frolic yelling.

"Let's get the party going! Yo ho! ”

"That woman from last time was really good!"

"Haha, is there such a cutie as you?"

The man stopped recording, sat silently for a while, closed his book, got up and turned off the light, grabbed his phone, and walked to the window without any expression.

A few bad people outside parked their cars by the river, making as loud and noisy as they wanted, and fireworks were set off between the shouts, and the clean roadside was full of graffiti.

A young man in red saw his companion urinating into the river and deliberately shouted at the residential area: "Hey! You're so noisy, harassing the neighbors, aren't you?! Ha ha! ”

"Neighbors! I'm so sorry! ”

"Please forgive us! Ha ha! ”

"I said," the young man in red pressed his cigarette butt against a statue and extinguished it, and sat down opposite his companion rather boredly, "next time we try it on the roof of No. 3 Middle School, how about we force our way in?" ”

"Not bad!"

"Agreed! I've been to a woman over there! ”

"Isn't it dangerous to be discovered?"

"It's okay, the guards are old men anyway, if they are discovered, they will be repaired!"

……

The next morning, Gao Cheng lay on the sofa with a grin, and after Gray Yuan shouted for a while and didn't wake up, he had to make breakfast and go to school first.

"Don't do this, Miss Yoko, it's too casual......" Gao Cheng waved his hand and woke up in a wet feeling, only to open his eyes to see the black nose of the big dog Mangono and the tongue licking towards him.

"Mangono ——!"

Jumping off the sofa, Gao Cheng hurriedly rushed to the bathroom to clean up Mangono's saliva all over his face, while glaring viciously at Mangono at his feet: "Don't lick me in the future!" ”

"Woo." Manguno ran away with his tail between his legs in a daze.

Gao Cheng finally cleaned up, saw that the time had passed eight o'clock, and was about to go upstairs for breakfast, when he found a young woman in a smart suit at the door of the office.

"Well," the woman's face was a little embarrassed, "I knocked on the door, and then I found you sleeping...... Is Miss Yoko an idol Yoko Okino? ”

"Ahem, sit down."

Gao Cheng cleaned up the sofa and poured a glass of water in the pantry.

"Is there anything you want me to do?"

"You're the Castle Detective?" The woman's mind was full of the picture just now, and the embarrassment on her face was even worse, "Actually, Officer Sato introduced me to you, and she said that if there is a case that can't be solved, I can look for you." ”

"Officer Sato?"

Gao Cheng immediately thought of the police flower under Twilight, Takagi's crush, who had encountered a photographer's murder case once during the last Teidan University campus festival, but they hadn't met much since then.

"You are?" Gao Cheng looked at the woman hesitantly.

"Ah, my name is Yui Utsumi," the woman hurriedly introduced, "and now at the Search Section of the Kaizuka North Police Station......"

Gao Cheng rubbed his brows.

Yes, he doesn't have to think about any commission fees for the police case.

"I'll eat something first, and then I'll go to the scene with you."

"Then I'm bothering you." Utsumi Yui breathed a sigh of relief, although she felt that Gao Cheng couldn't help much, but she could only be a dead horse doctor.

Near the 5-chome of Sakuragawa Lane 3, Gao Cheng followed Yui Utsumi to the scene of the incident after eating the cold breakfast and stuffing half a slice of bread in his mouth.

"The case happened at around 22:20 last night, and the deceased who was burned to death was named Ryosuke Yamashita, 19 years old, and the informant was also with him at the time, and I heard that the whole head was burned from the back of the head."

Yui Utsumi explained carefully: "The body was examined last night, and the victim was completely charred from the neck to the head, and the direct cause of death was burn shock, and even the skull was charred as a result, do you want to go and see it?" ”

"No, no."

"Are the Castle Detectives afraid of corpses too?"

"It's not a question of whether I'm afraid or not, I just had breakfast."

Gao Cheng lifted the yellow belt and walked to the bank of the river where the crime occurred, the concrete floor was covered with graffiti and cigarette butts, and there were still white marks in the shape of a human figure on the platform built of a wooden board in the middle, and the floor at the head was already scorched.

Utsumi took the notebook and continued, "The other three people who were together were friends who had graduated from the same high school before, and they were sitting around the table facing the victims......"

"What was the cause of the fire?" Gao Cheng interrupted.

"I can't find the cause of the fire, and although it is tentatively determined that it was an accident caused by fireworks," Utsumi said, looking at the cigarette butts and fireworks left at the scene, "Can these ground rat fireworks burn the skull into charcoal?" This time it was incredible, it was like spontaneous combustion of the human body. ”

"Spontaneous combustion?"

Gao Cheng looked at the scene with a headache.

Has there ever been a case like this in Conan? It feels super troublesome......

A ** statue by the river is full of burnt black by cigarette butts, two ** are also black, one side has a hole, and other places are also messy, garbage cans, bulletin boards are burns on cigarette butts in addition to graffiti, and it looks like they are often destroyed.

"How?" Utsumi looked at Gao Cheng who was looking around and sighed lightly, "Did you find anything?" The cause of the fire ......"

Gao Cheng squatted by the river and looked at it, shook his head and said: "I am a detective, not a scientist, and the human body spontaneously combusts......

In the Chenghu Detective Agency, Gao Cheng sat at his desk with his hair grabbed, a pile of borrowed information books in front of him, and the computer also opened the search interface.

"Ergonomics...... Combustion ...... Spontaneous combustion ...... the human body No contact with the method of making the human body burn......"

"Ah, what is the reason for the spontaneous combustion of the human body on such a cold day? Or by the river in the middle of the night......"

"I'm back." Gray Yuan walked into the office, and after bringing the door, he put his schoolbag on the sofa and quietly looked at Gao Cheng, who was grabbing his hair in pain, "So, what's the troublesome work again?" ”

Gao Cheng will be confused: "It's nothing, there is a strange case on the police's side...... By the way, do you know the cause of spontaneous combustion in the human body? ”

"I don't know."

Gray Yuan replied quite simply, paused, and spoke again: "I can't go to that cooking class yesterday, I need to change to another one, and the tuition fee is the same." ”

"It's only been a day and you can't go?" Gao Cheng was stunned, "Isn't the teacher good?" ”

"Mr. Uemori was killed last night." Gray Yuan said blandly.

"Huh? So, I'll just say I'm not a plague god, and it still happens when I'm not there......"

"Yesterday, the eldest lady didn't go for something," Gray Yuan glanced at Gao Cheng, "The one who went to the detective agency next door instead of her." ”