Chapter Summaries

Lin Yi used a grounding routine based on his identity and Student ID to safely guide Li Huiyuan through the Stairwell, though the fourth floor revealed a passage full of hostile night-walking species watching him. They returned to the classroom, where Lin Yi found another group of newcomers and suspected one of Li Huiyuan’s fellow arrivals had died.

• Lin Yi’s imagined vision showed Li Huiyuan turning into a statue as green fog and particles poured from the wound on her back, then the vision abruptly ended after only a minute had passed.
• Lin Yi held his Student ID and repeated his identity and location, restoring the Stairwell to normal, then led Li Huiyuan up to the fourth floor and back down safely.
• At the fourth floor, Lin Yi stopped his grounding recitation and saw green fog and countless night-walking species packed into a hidden staircase, so he quickly took Li Huiyuan back into the sunlight.
• Lin Yi and Li Huiyuan returned to the classroom, where Lin Yi counted the students and suspected that one of the experience students who arrived with her had been killed.
• Lin Yi noticed seven new experience students, including a nervous middle-aged man and several newcomers listening to Pan Jian’s female companion recount the previous night’s events.

Lin Yi and his companions headed to dinner as a middle-aged Experience Student discovered that two pocket watches showed different times. As the Cafeteria opened, Lin Yi planned to search for its hidden Convenience Store and ask Xu Shunkang’s group for help getting Li Huiyuan there.

• Lin Yi returned to the Lecture Hall with Li Huiyuan, and Wei Liang joined them as they left for dinner.
• The Experience Students and Athlete Students filed out of the classroom, while a middle-aged man compared two pocket watches and recorded their different times in a notebook.
• Lin Yi met Wei Shan on the way to the Cafeteria and asked whether he had visited the bathroom after one that afternoon; Wei Shan confirmed that he had.
• At the Notice Board, Lin Yi gave out copies of the Cafeteria Rules and asked whether they still applied to Li Huiyuan, who said she would follow them as best she could.
• Lin Yi searched for the Convenience Store outside the Cafeteria but could not find it, then planned to look inside and ask Xu Shunkang’s group to show Li Huiyuan where it was.

Lin Yi noticed Li Huiyuan deteriorating as they entered the Cafeteria and learned that the Blue Apron Chef had secretly urged her to find the Convenience Store. After discovering green fog leaking from a scar in her palm and drifting toward his own, Lin Yi wondered whether his Green Fog Mark was drawing it in.

• Lin Yi watched a terrified girl plead with Xu Shunkang for help, then warned Li Huiyuan not to get involved and led her into the Student Passage.
• Lin Yi noticed Li Huiyuan was bothered by the passage lights and held her hand as they avoided the Blue Apron Chef.
• The Blue Apron Chef silently told Li Huiyuan to find the Convenience Store, and Lin Yi realized he could hear its message.
• Wei Liang interrupted Li Huiyuan as she tried to explain what the Chef had said, teasing her and Lin Yi for holding hands.
• Lin Yi spotted a scar in Li Huiyuan's palm releasing green fog that drifted toward his own hand, then shook it away.

Lin Yi and Li Huiyuan went to the Student Dining Hall to find the Convenience Store after a Blue Apron Chef warned her to hurry. At the entrance, they discovered an upside-down Green Apron Chef targeting Li Huiyuan, and Wei Liang rushed in before Lin Yi could stop him.

• Li Huiyuan told Lin Yi that the Blue Apron Chef had directed her to find the Convenience Store before “they” noticed her, and Lin Yi suspected the Night-Walking Species and Green Apron Chefs might be involved.
• Lin Yi decided to enter the Student Dining Hall with Li Huiyuan, then heard the Blue Apron Chef urgently warn that it would soon be too late.
• Lin Yi lifted the Plastic Air Curtain, sensed a threat above him, and stopped himself from stepping inside as tomato sauce dripped onto his foot.
• Li Huiyuan looked up despite Lin Yi's warning and saw a Green Apron Chef hanging upside down; it called her by name and repeated her Student Number, leaving her unable to respond to Lin Yi.
• Wei Liang charged past Lin Yi and Li Huiyuan, seized the Plastic Air Curtain, and tried to pull it up, but the Green Apron Chef's head blocked it.

Lin Yi searched the Student Dining Hall for the Convenience Store while keeping Li Huiyuan from responding to the Green Apron Chef’s attempts to lure her. After they failed to find it, Wei Liang left for the classroom, and a Green Apron Chef emerged to chase him.

• Wei Liang accidentally pulled the Green Apron Chef down from the ceiling with the Plastic Air Curtain, then kicked it while mistaking its resistance for a broken curtain.
• Lin Yi led Wei Liang and Li Huiyuan into the Student Dining Hall and searched the sunlit area near Meal Window No. 1 for a place without artificial lighting.
• The Green Apron Chef tried to draw Li Huiyuan’s attention by claiming it had her Student ID, but Lin Yi distracted her with yogurt and led her away.
• Lin Yi and Li Huiyuan searched the dining hall for nearly twenty minutes without finding the Convenience Store or Xu Shunkang and the other athlete students.
• Wei Liang left for the classroom, and a Green Apron Chef crawled out of Meal Window No. 10 and chased him out of the dining hall.
• A diner set a tray with what looked like a bloody heart opposite Lin Yi and Li Huiyuan, but Lin Yi saw it as a tomato when he looked again.

Lin Yi recognized the Convenience Store as an alternate Student Passage and led Li Huiyuan toward it as the Cafeteria lights failed. A dangerous Green Apron Chef appeared in the darkness just three centimeters from them, leaving their escape uncertain.

• After Li Huiyuan’s blood attracted nonhuman classmates, Lin Yi led her toward the Plate Return Area while they pursued them.
• The Cafeteria lights began flickering, and Lin Yi searched the area instead of immediately heading for the Student Passage exit.
• Lin Yi spotted the briefly revealed Convenience Store near the former Meal Window No. 1 and realized they could use it to leave by purchasing an item.
• A pitch-black figure appeared during the blackouts as Lin Yi and Li Huiyuan ran toward the Convenience Store, while the darkness spread through the Student Dining Hall.
• An incandescent light went out directly ahead, and Lin Yi stopped just before the Green Apron Chef appeared inside the darkness in its humanoid-spider form.

Lin Yi used his mental simulation of the flickering lights to guide Li Huiyuan through the darkening Student Dining Hall and into the Convenience Store. Inside, they discovered that the store opened into a vast, shelter-like space between layers, while Lin Yi remained uneasy about the danger behind them.

• Lin Yi realized the lights were going out in a spreading pattern and mentally calculated a rhythm that let him lead Li Huiyuan safely toward the Convenience Store.
• Lin Yi traced the darkness to Meal Window No. 10 and suspected a danger beyond the Green Apron Chef, while Li Huiyuan's determination to survive strengthened.
• Wei Liang's voice called from behind them, but Lin Yi warned Li Huiyuan not to look back and hurried her to the Convenience Store.
• Lin Yi took a roll of biscuits and crossed the Convenience Store's glowing threshold with Li Huiyuan, finding an immense, dimly lit space resembling an air-raid shelter.
• Lin Yi guessed the Convenience Store existed in another layer or between layers, then saw that its doorway offered a view back into the Student Dining Hall.

Lin Yi and Li Huiyuan read the Convenience Store Instructions and headed toward the merchandise shelves as darkness and Bone-White Fog closed in. When a terrifying creature crawled into the store, a student in a dark green uniform stepped out and approached it.

• As the Student Dining Hall fell into darkness, Li Huiyuan spotted the Convenience Store Instructions posted on the door.
• Lin Yi and Li Huiyuan read both sets of instructions, which gave different rules for students with and without Student IDs.
• Lin Yi and Li Huiyuan followed the blue exit signs toward the miscellaneous shelves while the Bone-White Fog gathered outside the entrance.
• The store’s lights turned red, Lin Yi became unable to move, and Bone-White Fog poured inside as frost spread across the floor.
• A blue-gray creature crawled through the doorway, and an unidentified student wearing a dark green uniform stepped past Lin Yi toward it.

Lin Yi witnessed Mao Feiyang’s perspective in another layer of the Convenience Store, where Mu Daxian fought off the Night-Walking Species, and concluded the fog could eventually overrun the store. While searching for Student Commemorative Coins with Li Huiyuan, they found coins beyond the lit area, but crossing into the darkness injured her foot and began to numb it.

• Mu Daxian transformed his drawing board into a rune-inscribed cross and used it to turn a Night-Walking Species into a plaster-like sculpture.
• Lin Yi realized he was seeing through Mao Feiyang’s perspective as Mu Daxian defended the Convenience Store from a horde of Night-Walking Species and ordered Mao Feiyang to find Student Commemorative Coins.
• Lin Yi returned to his own layer and warned Li Huiyuan that the thick fog might eventually enter the Convenience Store.
• Lin Yi and Li Huiyuan searched the shelves but found all the Student Commemorative Coins in the lit area missing.
• Lin Yi pulled Li Huiyuan back when she stepped into the darkness, but part of her foot had already turned gray, cold, and numb.

Lin Yi and Li Huiyuan searched the Convenience Store for Student Commemorative Coins as strange calls and tremors grew stronger. When deadly fog began swallowing the store, Lin Yi turned back to rescue Li Huiyuan after she could no longer walk.

• Lin Yi and Li Huiyuan left the marked route to search nearby shelves while a voice called their names from the shadows.
• As the calls and thudding grew stronger, Lin Yi led Li Huiyuan toward the exit and told her to grab snacks when they found no Student Commemorative Coins.
• The Convenience Store shook, and Lin Yi glimpsed the Green Apron Chef behind the entrance as white fog began overtaking the doorway.
• Lin Yi warned Li Huiyuan that the fog was about to enter, and they ran as night-walking species and Green Apron Chefs advanced through the store.
• Li Huiyuan lost feeling in her feet and told Lin Yi to leave her behind, so he went ahead before returning with a flowered bedsheet.

Lin Yi carried the injured Li Huiyuan through the Convenience Store while darkness and night-walking creatures pursued them, and he reached the exit after an unexplained burst of speed and lost time. Outside, they entered a campus passage that transformed into a familiar foggy corridor, where Lin Yi recognized the Student Passage and saw the Blue Apron Chef waiting behind them.

• Lin Yi secured Li Huiyuan to his back with a bedsheet and sprinted through the Convenience Store as the Green Apron Chef and a swarm of night-walking creatures chased them.
• A voice calling Lin Yi's name overwhelmed him near the exit, and he realized he had lost several minutes and somehow run the remaining distance at incredible speed.
• Lin Yi and Li Huiyuan checked out their food and the bedsheet, and Li Huiyuan admitted she had felt an urge to steal his Student ID.
• Lin Yi carried Li Huiyuan through the Convenience Store exit, where he glimpsed an unnoticed figure standing beside the doorway before the white light swallowed him.
• Lin Yi descended a tunnel marked toward campus, watched it transform into a foggy stone passage, and recognized the Student Passage with the As If Present Blue Apron Chef behind him.

After escaping the Cafeteria through the Student Passage, Lin Yi chose to hurry with Li Huiyuan toward the Teaching Building before darkness and abnormal fog made the Campus dangerous. The fog surged across the Pebble Road, Li Huiyuan regained sensation and strength in her foot, and Lin Yi ran toward the increasingly obscured building as the Sculpture Phalanxes emerged.

• Lin Yi discovered that the Convenience Store's exit led to the Student Passage, then decided he and Li Huiyuan had to reach the Teaching Building before sunset rather than return to the dark Cafeteria.
• Lin Yi and Li Huiyuan left the Cafeteria and followed the Pebble Road toward the Teaching Building as the Sun set and Li Huiyuan's body temperature fell.
• The fog burst out of the Wooded Belt and swallowed the Cafeteria area first, while Lin Yi realized that the low-lying building was especially vulnerable to it.
• Li Huiyuan regained sensation and strength in her right foot, and Lin Yi worried that the contamination might have given her traits shared with the Green Apron Chef.
• Sculpture Phalanxes appeared in the Wooded Belt as darkness and fog engulfed the Campus, and Lin Yi struggled to find his way toward the fading outline of the Teaching Building.

Lin Yi and Li Huiyuan tried to reach the Teaching Building as contamination thickened, but the campus layer dropped and the Sculpture Phalanx entered their road. They were trapped among the sculptures in the fog, with the streetlamps still ten minutes from turning on.

• Lin Yi called Li Huiyuan to wait for him, took her hand, and led her toward the Teaching Building while repeating his name and student number silently.
• Li Huiyuan revealed that hearing Lin Yi recite his identity made her uncontrollably want to steal his Student ID, so Lin Yi stopped reciting and hurried them back toward safety.
• Lin Yi's vision shifted into a contaminated layer where he saw Night-Walking Species and the Sculpture Phalanx moving through the fog.
• Humanoid sculptures appeared around Lin Yi and Li Huiyuan, and Lin Yi warned her to lower her head and avoid looking at their faces.
• Lin Yi checked the time and found the Teaching Building still distant; touching the distorted pebbles confirmed that the campus layer had dropped.
• Li Huiyuan offered to let Lin Yi leave her behind, but he refused and tried to reassure her as the fog continued to spread.

Lin Yi kept himself and Li Huiyuan on the distorted road until the campus lights came on, then led her toward Streetlamp-105 while the humanoid sculptures gathered behind him. He realized the sculptures were calling only to him and suspected they were targeting his Student ID.

• Lin Yi abandoned the attempt to follow Pebble Road back and anchored himself to the Teaching Building while waiting for the streetlamps to light at 18:00.
• As Li Huiyuan grew cold and confused, Lin Yi distracted her with conversation about their studies, and she described studying the origins of ancient life and Mystical Genealogy.
• Lin Yi noticed that the humanoid sculptures surrounded them without showing hostility, then wondered whether they regarded him and Li Huiyuan as one of their own.
• At 18:00, Streetlamp-105 lit up, and Lin Yi began guiding Li Huiyuan out of the sculpture phalanx toward it.
• The sculptures shifted into the darkness and gathered behind Lin Yi as he approached the lamppost; he heard them calling his name, but Li Huiyuan heard nothing.
• Lin Yi concluded that the sculptures had not targeted either of them before, and suspected they were pursuing him because he carried a Student ID.

Lin Yi and Li Huiyuan escaped the fog by following numbered streetlamps to the Teaching Building, where four hidden floors appeared after the Layer Drop. Lin Yi realized the fog concealed something like water, but the eerie figures gathered around the building and a sculpted foot emerged onto its steps.

• Lin Yi brought Li Huiyuan beneath a streetlamp and realized the humanoid sculptures were drawn to the light but afraid to enter it, triggering a vision of Night-Walking Species crawling up a cliff toward the Night Watchman.
• Li Huiyuan lost feeling in her foot again, then used a strange golden-eyed ability to magnify her vision and read the next lamppost number.
• Lin Yi led Li Huiyuan through the fog from lamppost 106 to 108, where they saw the Teaching Building's four normally hidden floors revealed.
• Lin Yi noticed moss growing beneath the fog and suspected the mist concealed a water-like surface, then assured Li Huiyuan that the figures would not approach the lit building.
• Eerie figures surrounded the Teaching Building, so Lin Yi hurried with Li Huiyuan toward Group B Class 2 as a sculpted foot broke through the fog and landed on the steps.

Lin Yi and Li Huiyuan reported her encounter at the Convenience Store to Head Teacher 040, while humanoid sculptures began entering the illuminated Teaching Building and transforming into Nonhuman Classmates. Lin Yi suspected that the classmates might turn back into sculptures when the lights went out, and his increasingly dangerous thoughts began affecting him.

• Lin Yi escorted Li Huiyuan to Head Teacher 040's office and stayed while she described her encounter with the chefs, the Art Student, and the fog at the Convenience Store.
• Head Teacher 040 warned Lin Yi to protect his Student ID and not reveal his real Student Number in an abnormal environment.
• Lin Yi spotted a humanoid sculpture climbing the steps, and Head Teacher 040 said the sculptures were harmless under the lights.
• As the fog drained away from the sculpture, it changed into a Nonhuman Classmate, then entered the corridor and passed Lin Yi and Li Huiyuan without reacting.
• More sculptures crossed into the illuminated corridor, and Lin Yi wondered whether Nonhuman Classmates became sculptures when the lights went out and whether they killed Experience Students.
• Lin Yi tried to suppress his thoughts about the transformation, but his speculation continued and the temperature around him began to fall.

Lin Yi reconstructed Little Genius’s death on May 6, then became trapped in a contaminated Corridor while seeing through Mao Feiyang’s perspective. He escaped the hallucination by grounding himself in his identity and returned to Group B Class 2, where the familiar warmth felt subtly wrong.

• Lin Yi’s mental reconstruction showed Little Genius being killed by Humanoid Sculptures after green fog entered the classroom, with his corpse later becoming a Sculpture in the Wooded Belt.
• Lin Yi realized he had fallen into another layer of the Corridor and saw Little Genius emerge from the shadows.
• Lin Yi discovered he was seeing through Mao Feiyang’s perspective and began absorbing contamination during the Abnormal Weather.
• Lin Yi recited details about his identity and surroundings until he recovered his own perspective and Student ID, causing the Corridor and Little Genius to vanish.
• Head Teacher-040 told Li Huiyuan to return to the classroom and said she would be taken away later, while Lin Yi worried about the dangers awaiting them that night.
• Lin Yi and Li Huiyuan entered Group B Class 2 at 18:29, where the warmth returned but something felt wrong to Lin Yi.

Lin Yi and Li Huiyuan entered a classroom where the Experience Students argued over whether to stay or flee after finding a warning on the blackboard. Lin Yi suspected the message was written in contaminated blood and refused to trust it until he could identify its source, while two students—including Zhou Yuting—were missing.

• Lin Yi and Li Huiyuan entered the classroom and found the Experience Students arguing about whether to spend the night there or leave for the Dormitory area.
• Lin Yi and Li Huiyuan read a blackboard message warning that a storm would kill anyone who stayed and urging them to reach the Dormitory area before it rained.
• Lin Yi examined the writing and deduced that it was plaster made from the blood of a Night-Walking Species or a Severely Contaminated person, with contamination still dispersing as green vapor.
• Lin Yi warned Li Huiyuan that the message could be a malicious trap and said they needed to establish who had written it before acting on it.
• Lin Yi counted the classroom's remaining occupants, noted that all eighteen Athlete Students were absent, and identified Zhou Yuting and a middle-aged Experience Student as the two missing people.

Lin Yi returned to the classroom with Li Huiyuan and learned that the mysterious words on the blackboard had appeared between 15:30 and Wei Liang’s return at 17:08, making an Athlete Student a likely but unconfirmed writer. As they waited for Head Teacher 040 to discuss where everyone should spend the night, Lin Yi revised his notes about the Cafeteria, the green fog, and the strange students.

• Lin Yi asked the arguing students whether they knew who had written on the blackboard, then helped Li Huiyuan reach Wei Liang.
• Wei Liang said the writing was already there when he returned at 17:08, and Lin Yi inferred that someone had entered the classroom during the afternoon, possibly an Athlete Student.
• Wei Liang told Lin Yi that the Head Teacher had asked the students to wait until she came to the classroom before deciding whether to stay overnight.
• Lin Yi and Wei Liang joked while Li Huiyuan read a manga, and Lin Yi considered the Head Teacher’s delay a sign that she was working on a solution.
• Lin Yi updated his notebook, adding observations about Night-Walking Species, Humanoid Sculptures, the green fog, and the Cafeteria’s possible layers.

Lin Yi recorded new rules and watched Mountain Man test the Blackboard’s message before deciding to leave the classroom. Mountain Man said he was returning to the Dormitory, though the elevator would not open until 21:00, leaving Lin Yi wondering what made him confident he could go now.

• Lin Yi added notes about the Convenience Store, contamination, night-walking species, and the Student Passage to his notebook.
• Wei Liang joked that the returning middle-aged Experience Student looked like a Pokémon Mountain Man, while Lin Yi suspected Wei Liang was hiding unusual insight.
• Mountain Man checked his watches, studied the Blackboard, and scraped some of its writing onto paper to test it outside the classroom.
• Mountain Man returned with a grave expression, gathered his bags, and sat briefly before preparing to leave.
• When Experience Students questioned him, Mountain Man said the Blackboard was right and that they could not stay in the classroom.
• Mountain Man told them he was going back to the Dormitory, despite the elevator not opening until 21:00.