As he walked, Sadachi Shintani suddenly found that he seemed to have walked into an extremely remote place. He had only wanted to explore the layout of the buildings and the route of the campus, but it seemed that the buildings were intertwined due to the multiple expansions of the school building, and after walking past two classrooms that had been used as storage rooms, and glancing at a certain flight of stairs from afar, where there was no passage to go up, he came to the interior of a dim, lifeless, labyrinthine building.

"It's nerve-wracking...... Where is this?"

Walking through the dark hallway with the dust on the floor, there is a strangely constructed "crossroads" in front of Shintani. The ascending and descending stairs extend at an angle of 45 degrees to the front right and the front left, respectively. To his right was another dark hallway, leading to no apparent place.

"It should be the first floor of the old school building...... That's right. ”

Thinking that the stairs leading down should connect to the basement or something, and the stairs going up would most likely lead to the abandoned classrooms on the second floor, Shintani chose the path on his right. There was a lot of dust accumulated on the rotten and broken wooden floor under his feet, and it was obvious that no one had cleaned it for a long time. The glass windows of the adjacent classrooms were either shattered or dirty and gray, and the windows near the outdoors did not bring much light, but rather the light that penetrated into the room became strange and permeable due to the dim afterglow of the evening and its own dirt.

"Now, you know what?" said the senior sister from Class C in the second grade at the "Class to Class" senior guidance meeting earlier today, "Rumors about the ghost of the old school building. ”

"It is said that there is a huge mirror in one of them. Whatever happens in front of that mirror, don't ......"

Creepy school weird ...... Shintani Sadachi was suddenly glad that he was patronizing and looking at his tablemate, so at this time, his memory of that passage had become blurred.

"Is it this way?"

After two turns in succession, Shintani finally saw the sunlight - the sun had not yet set, casting light onto the hallway from the window on the right, at the end of which was a wooden door, and on the left-hand side was an almost completely enclosed room from an earlier era.

"It's the exit to the outside...... Or is it a room?"

Shintani touched his chin and stepped forward to push the wooden door aside.

"Is anyone there, please......?"

This is a stupid question, how can anyone be. What appears to be a storage room is dark, with a lot of dust accumulated, just like the rest of the old school building. Shintani Sadachi sighed, this was not the way out, he probably had to go back the same way. Still, he walked in curiously.

Two sofas, a coffee table, bookcases, rackets, empty and cardboard boxes with things, and so on, it is true that it is a place to store miscellaneous items. Besides......

"Huh!"

Sadachi Shintani was startled by the figure that suddenly appeared in front of him. He looked closely, and it turned out to be a mirror taller than a person, and the figure in the mirror was himself.

"It's a mirror...... It's so eerie. He breathed a sigh of relief, but quickly tensed his nerves, "Wait, could this be the legendary mirror?"

"Sadakyun ......"

A faint voice came from behind itself. Shintani felt a chill on her back, and her hair seemed to stand upside down.

"Wow!"

He shuddered and turned around, only to see a tall, long-haired girl in their school uniform.

"Huh?"

"Ahh The other party frowned slightly, expressing dissatisfaction, "I, is the expression so terrifying?"

"No, no...... Sorry, that's not the case. Shintani's face turned red, and he hurriedly waved his hand, "It's just startled......"

"Hee-hee-hee......"

His reaction made the girl smile, and then the burgundy eyes stared straight at him.

"It's rare for someone to come here. ”

……

[3] Yun Chengyu

(Forbidden World, April 7, 2014, Monday, evening; Japan, Yami Shannan, Private Makoto Education Park)

At the same time, Yun Chengyu took Yifang Tong and Misaka Mikoto to go up the back mountain.

"Eh, Misaka-san's tablemates, are they from a family from a local shrine?"

The three of them shared what they saw on the first day of school, and when they heard Mikoto Misaka's words, Yun Chengyu couldn't help but be a little surprised. The party next to him raised his eyebrows.

"So, we ran into the 'magic side' on the first day? ”

"Then I don't know. Yunjun, do you have that kind of ...... to detect the identity of a magician? Hmm, equipment, or some kind of spell, something like that?"

"The same system should be fine, but each country, each civilization, has a different system of 'magic', and to be honest, I'm not sure I can recognize a disguised Aztec or a Norse magician just by perception. Yun Chengyu thought for a while, "There is no shortage of systems in the East Asian civilization circle to learn from each other, and it is estimated that there is no problem." However, in my opinion, most of the people in shrines and temples can only be said to be clergy, and it is okay to provide spiritual comfort to people, but very few have magical powers. ”

"Oh, is that so...... Then I'll just ask Geng directly tomorrow. ”

Climbing up the mountainside along the bluestone steps, Yun Chengyu carefully observed the leylines and aura here. It's really not a big place, but the yin is very strong, and it doesn't look like a popular school should be. With a faint ghostly aura, he led his two friends through the woods to a tall yew tree in the clearing.

"It's that bluestone...... No, that's down there, to be exact. ”

Yun Chengyu pointed to a bluestone standing up under the tree. It was a round stone about 30 centimeters high, covered with moss. Mikoto Misaka shuddered.

"Cloud ...... Yunjun, this won't attract any ghosts or anything, right?"

"Of course not, I opened my yin and yang eyes along the way, it's just a place where ghosts gather, there should really be a ghost from the old school building, and I've been here more than once. ”

"Then Yunjun, can you let me feel this so-called 'ghost qi'?" Fang Tong suddenly said, "A little curious, according to you, people who are not magicians can vaguely detect something. ”

"Absolutely. The 'ghost qi' here is not strong, so I have to cast a spell to condense them......" Yun Chengyu said and took out the black jade wrench given by Mo Yufei from his personal space and put it on the thumb of his right hand, "Well, fortunately, during the winter vacation, a friend of mine from the Demon Dao gave this magic weapon. ”

Unlike Yun Chengyu, Mo Yufei's cultivation route is mainly Gu magic, and he also cultivates the magic of the Demon Gate, the magic style improved after the founding of the People's Republic of China, eliminating those cruel and overly eager cultivation methods. This black jade wrench was given to Mo Yufei as a return gift after receiving the [Illusory Realm Bu Ling Ascension], which allowed him to cast some superficial magic spells without corresponding mental techniques.

Recalling the way of casting the spell to control the ghost qi, Yun Chengyu's dexterous ten fingers flipped up and down, and at the same time, with the Zhen Qi that was poured into the black jade wrench, the spell was slowly formed. Under the control of his mind, the dispersed thin ghost qi gradually condensed next to his hands, and then he guided it into a stream of air to wrap one side of the passage.

Visible to the naked eye, one side of the passage shuddered violently.

"Yes, that's what it feels like...... I felt it once in class today!"

"Huh?"

……