In the last few days of the holiday, Lin Yue and Hermione spent almost all their time at home, keeping the Granger couple company for a few days.

On the day of their return to school, the Granger couple took the two girls to King's Cross Station together.

Standing outside the entrance to Platform 9¾, Lin Yue was the first to politely nod at Mr. and Mrs. Granger, her voice calm and steady as she said, "Goodbye, Auntie. Goodbye, Uncle. Thank you for letting me stay for the holiday."

Mrs. Granger reached out to hug Lin Yue and gently patted her back. "You're welcome, dear. We already consider you a part of our family."

"Be careful at school. If Hermione bullies you, just write to us."

"Mom!" Hermione looked at her mother with a mix of amusement and exasperation. Bully Lin Yue? How could she possibly do such a thing? She was too busy pampering her!

Mrs. Granger ignored her daughter's call and only released Lin Yue after giving her a kiss on the forehead.

"Take care of yourself," Mr. Granger gently advised Lin Yue as he bent down.

Lin Yue nodded with a calm expression, "Okay, thank you for your concern, Uncle."

After saying that, she pushed her luggage aside to give space for Hermione and the Granger couple to talk privately.

Mrs. Granger leaned down and pulled Hermione in front of her, "Don't be too anxious about Lin Yue."

As she spoke, she adjusted her daughter's wizard robe, "Her emotions haven't fully recovered yet; let her take her time, don't scare her."

"I won't rush, Mom."

Hermione nodded obediently; of course, she wasn't in a hurry since she was already by Lin Yue's side.

Moreover, she could vaguely sense that Lin Yue felt differently about her compared to others; Lin Yue was hers, and no one could take her away.

A small sense of possessiveness quietly grew in Hermione's heart.

"And don't neglect yourself; to love others, you must first love yourself," Mr. Granger also leaned down to speak to his daughter.

"I know, Dad. Thank you both."

Hermione rushed into the arms of the Granger couple, taking a deep breath. Her parents and family would always be her strongest support. No matter what she did, as long as it was the right thing and something she wanted to do, her parents would always support her, just like they had since she was little.

Mrs. Granger said with a smile, gently ruffling her daughter's hair. "Alright, don’t keep Lin Yue waiting too long, go on."

"Okay!" Hermione nodded vigorously. After saying goodbye to the Granger couple once more, she pushed her luggage over to Lin Yue.

"Let's go."

Seeing the smile on Hermione's face, Lin Yue nodded expressionlessly and pushed her luggage ahead, leading the way toward the entrance of the passage. In the blink of an eye, she had passed through the wall.

After going through the wall, Lin Yue stood at the entrance waiting. Within two seconds, Hermione also came through. After taking her hand, the two of them walked together toward the Hogwarts Express.

Once on the train, Lin Yue and Hermione searched from one end to the other but couldn't find any empty compartments. During this time, several Ravenclaw students invited them to sit in their compartments. However, Lin Yue politely declined, knowing that Harry and Ron would definitely join them soon.

With the two of them, there would be four people in total. The compartments on the Hogwarts Express weren't particularly large, and adding four more people to the Ravenclaw compartments would significantly reduce comfort. She didn't want to trouble others; that would be impolite.

"Hermione, this is the best choice on the entire train."

Lin Yue exerted a little force to pull Hermione and turned her head to look at the adjacent box, which was relatively spacious, with only one man lying on the seat asleep.

"This is a professor, no problem, and according to the calculations, this is the best box we can choose."

"Then let's sit here." Hermione nodded and followed Lin Yue into the box.

"Professor Lupin."

Hermione placed her luggage and noticed a line of small words written on the man's suitcase.

"You must have seen it long ago; your observation skills are really enviable and admirable."

Lin Yue sat down, and Hermione rubbed her cheek while speaking.

With a vacant gaze, Lin Yue blinked and mechanically said, "I'm just used to observing my surroundings; it's what I should do. Anything in life can turn into an exam question, so I need to pay attention at all times."

Hermione sighed and didn't say anything more; she just gently pulled Lin Yue closer into her embrace.

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After the two girls had been cuddled together for a while, Harry and Ron finally walked into the compartment.

"Harry, Ron, good afternoon." Lin Yue lifted her head from Hermione's arms and nodded lightly at Harry and Ron.

"Good afternoon," Hermione smiled as well, and Harry and Ron quickly responded.

"What did Dad just say to you?"

After greeting Lin Yue, Ron immediately asked Harry as he set down his luggage, his curiosity getting the better of him. He quickly realized what he had said.

"If it's something you can't talk about, then never mind; I was just curious."

Harry also finished putting down his luggage and sat down, shrugging at Ron's words. "There's nothing I can't say, it's just that Mr. Weasley advised me on a few things."

"He mentioned Sirius Black, the escaped prisoner from Azkaban. He kept saying something about being at Hogwarts while he was sleeping in Azkaban, that he was at Hogwarts and so on."

"So the Ministry of Magic thinks he's after me. Mr. Weasley advised me not to go looking for Sirius, no matter what I hear."

"Ah?" Ron exclaimed in surprise.

"Why would you want to look for someone who wants to kill you?"

"That's what I think too," Harry said, raising his hands in exasperation. Did he really like trouble that much? Would he go looking for someone who wanted to kill him?

Hermione lowered her gaze and thought carefully. "Mr. Weasley must have said that for a reason. It suggests that there’s something about Sirius Black that, once you know it, you will be eager to find him."

Harry thought carefully about everything related to himself. "Um... I can't think of anything that would make me want to seek out someone who wants to kill me."

Lin Yue's eyes slowly moved and finally fixed on Harry. Her mind was racing, and information about Harry's behavior, preferences, and other details quickly appeared in her brain.

Based on Harry's way of acting, what he cares about the most, even more than his own life, should be his parents, friends, and some of his teachers. Considering that in his first year he directly rushed into the Forbidden Forest to get the Philosopher's Stone... the safety of more people was also placed before his own life.

So, among the four reasons—parents, friends, some teachers, and the safety of more people—who exactly would Sirius Black offend? No, it should be which one he has already offended. Because Mr. Weasley said that no matter what Harry hears, only things that have already happened can be considered as heard.

Lin Yue's brain was working rapidly, continuously deducing and quickly approaching the final answer. Among the four reasons, the point about friends could be ruled out first. She, Hermione, and Ron were already in front of Harry, safe and sound. The three older girls had also just been seen by her and Hermione, and they were in good condition as well.

Therefore, it was impossible for Sirius Black to have harmed the reason of friends. Additionally, during the summer vacation, there had been no reports from the Daily Prophet about any professors or large-scale attacks.

Thus, the reasons of some teachers and the safety of more people could also be eliminated, leaving only the reason of parents.

Reaching this final conclusion, Lin Yue shifted her gaze away from Harry. So Sirius must have done something that directly harmed, or indirectly led to harm to Harry's parents. As for what exactly he did, the information was incomplete, making it impossible to deduce.

This final result, like the two conclusions she had previously reasoned out in Diagon Alley, was stored in Lin Yue's brain as scattered information.

The Hogwarts Express was moving slowly, not fast at all. During lunchtime, Cho Chang, Marietta, and Penelope came over in a group. After leaving Lin Yue with a slightly flushed face and messy hair, the three older girls ran off giggling.

Blinking in a daze, Lin Yue didn't have any extra feelings; she just lowered her head to continue looking at the Transfiguration textbook in her hands. As evening approached, the Hogwarts Express came to a stop with a harsh screeching sound.

Harry looked out at the gloomy sky in confusion. "Have we arrived?"

"Not yet, it shouldn't be this early," Hermione waved her wand and checked the time.

"Hiss..." Ron rubbed his arms vigorously. "Don't you guys feel like it's getting colder?"

"It does seem a bit chilly," Hermione nodded, and as she spoke, puffs of breath escaped her lips.

"What’s going on? It’s only September, isn’t it?"

Harry shivered; September should still be warm, so why was it so cold?

Wait, it wasn't this cold just a moment ago!

Realizing something was off, Hermione quickly took off her wizard robe and draped it over Lin Yue, while softly calling out, "Lin Yue, stop reading, something's not right."

Hearing her full name, Lin Yue instantly snapped out of her studying state and immediately felt the cold around her.

Looking down at the two wizard robes draped over her, Lin Yue didn’t hesitate to take them off and put them back on Hermione.

Before Hermione could voice her refusal, Lin Yue drew her wand and walked towards the box door.

With lips slightly pale from the cold, she spoke calmly, "Dementors are checking the train, Sirius Black has escaped from Azkaban."

At this point, Lin Yue paused. "Dementors have a ninety-five percent chance of being here."

After saying this, her body suddenly grew taller, and her powerful tail swished gently, protecting Hermione in her seat.

Her two-meter tall form blocked the box door completely, and her agile front paws grasped the door as Lin Yue looked outside.

Dementors evoke the most painful and despairing memories in people while feeding on their happiness, but their effect on animals is much less significant.

That’s why Lin Yue transformed into her Animagus form, to block the door and protect Hermione and the others while also reducing the Dementors' influence on herself.

Although she didn’t think she had any painful or despairing memories to be stirred up, because she didn’t feel either of those emotions... she was certain of that.

"Dementors are checking the train!" Hermione exclaimed. She had read about Dementors in books; they were very dangerous dark magical creatures.

"Lin Yue! Come back quickly."

Hermione struggled to sit up, but she was blocked by Lin Yue's tail, unable to move even an inch from her seat. Harry and Ron, who were sitting in the same row, could only watch helplessly as Lin Yue blocked the box door. The cold feeling intensified again, and the windows and glass door of the box began to freeze. Lin Yue exhaled a breath, turning her head to look at the train door.

A decayed hand clawed up at the door; it was a Dementor. Lin Yue calmly confirmed this, watching as one Dementor after another entered the train, with one heading straight for their box. As its claws moved slightly, Lin Yue's slit pupils narrowed as she watched the Dementor approach her.

A wave of bone-chilling cold washed over her, causing Lin Yue's brain to momentarily freeze. Even her Animagus form couldn't prevent the memories, which were plain in writing but painful in essence, from surging forth.

When she was beaten with a bamboo stick for not answering sixth-grade questions during a kindergarten exam...

When she knelt in the school hallway for failing to solve her first calculus problem in sixth grade...

When she lay on that cold operating table, looking at her mother's excited and expectant gaze...

"Roar!"

A mournful and desperate roar echoed, feeling as if something was being sucked away. Memories from the past two years quickly faded, memories of being cared for, loved, and taught to affirm herself...

Lin Yue seemed to return to that moment when she knelt in the snow, wearing a tank top, until she lost her senses. Sharp claws fiercely embedded into the glass door of the box, and Lin Yue's screams echoed continuously.

Hermione, Harry, and Ron were shouting, trying to stand up, but Lin Yue, who was clearly swaying and continuously sorrowful wails, just wouldn’t loosen her grip on their tails. She still gently but firmly kept them pressed in their seats.

It’s so cold in the snow... My knees hurt so much... Is this pain?

But I shouldn’t be feeling pain.

Why does my heart hurt so much... I’m so tired, can I rest?

But I shouldn’t rest; I’m being punished for not studying properly and getting one question wrong on the exam.

But did I learn my lesson... No, I didn’t learn the Patronus Charm.

Hermione... Harry, Ron are still behind me, but I can’t use the Patronus Charm.

Kneeling in the snow, "Lin Yue" looked up with blurry eyes at the man and woman standing in front of the villa.

Useless... Fool, that’s exactly what I am.

“Roar!!!”

The final roar was filled with sorrow and desolation, echoing throughout the entire Hogwarts Express train.

In the compartment, Hermione, with tear-streaked cheeks, shouted and struggled, while Harry and Ron desperately tried to stand up from their seats.

In other compartments, Autumn and her friends forced themselves to muster some spirit, covering their mouths as they rushed out. They definitely didn’t mishear that cry; it was Lin Yue’s Animagus!

Ravenclaws students who were sitting nearby immediately followed suit and rushed out, and gradually, all the students from Ravenclaws House ran towards the source of the sound.

Meanwhile, the man in the compartment, weakened from the full moon a couple of days ago, finally woke up, struggling to turn over and pale-faced, he drew out his wand.