Lin Yue's method received unanimous agreement from the small wizards present, and they waited at the entrance of Platform 9¾ until the Hogwarts Express departed.

After confirming that they still could not enter, the seven of them walked out of King's Cross Station and into a nearby alley.

Harry took the initiative to write a message to Professor Dumbledore explaining the situation, which he handed to Hedwig, and then they stood still, waiting.

Watching Hedwig's departing figure in the sky, Lin Yue's mind instinctively began to analyze.

The magic at the entrance of Platform 9¾ is regularly maintained by the Ministry of Magic.

Not to mention that it was the time for Hogwarts to start the school year, the Ministry of Magic must have checked the platform entrance in advance.

Even the professors at Hogwarts should have come to inspect it.

Therefore, the platform had not encountered any issues before today. No.

Lin Yue crossed out that line of reasoning in his mind and connected to another line of information.

There were no other small wizards lingering at King's Cross Station besides the seven of them.

So, it should have been normal at the platform entrance before they arrived.

Thus, the truly correct conclusion can be drawn: the closure of the platform entrance was specifically for the seven of them.

Among the seven, only Harry had been warned by a house-elf not to return to Hogwarts.

The scope narrowed again; the closure of the platform entrance was because of Harry, and it became evident who the "mastermind" behind the closure was.

It was the house-elf that prevented Harry from going to Hogwarts.

The magic at the platform entrance is jointly protected by the Ministry of Magic and Hogwarts, and only a few wizards in the entire magical community of the UK could influence it.

However, house-elves are different; their magic is completely distinct from that of wizards. If it were them, it would not be difficult for them to accomplish this.

Lin Yue made a long series of calculations in just a few seconds, but Hermione, who was beside her, still noticed the rapid movement of her eyes.

Tilting her head in confusion, Hermione curiously asked while holding Lin Yue's arm, "What are you thinking about?"

As soon as Hermione's question was out, the other five also turned their attention to Lin Yue.

Now, including Hermione, the six young wizards had almost confirmed that caring for Lin Yue was a top priority.

Lin Yue had no expression on her face and explained her deductions and results in a flat tone.

Harry felt a bit dizzy listening to her, but he understood a little; the most likely reason... was that it was because of him that everyone couldn't get into Platform 9¾.

Although he didn't cause the situation, he sincerely apologized to everyone.

However, before he could finish his sentence, Penelope interrupted him.

"This isn't your responsibility, don't be like that. It's not good to keep apologizing."

"You don't need to be so polite among friends, mate." Ron elbowed Harry a couple of times, and Harry finally regained his smile.

Not being able to get onto the platform just meant waiting a little longer; they wouldn't miss going back to school, so everyone could still happily chat and joke with each other.

Lin Yue, held by Hermione, looked at Harry and the others who were laughing and joking, and surprisingly, the corners of her mouth slightly lifted.

Hermione, catching a glimpse of this scene, turned her head in disbelief. After confirming that she indeed saw the very slight upward curve of Lin Yue's lips and not just imagining it, her excitement exploded like a balloon.

She exerted all her strength to control herself, preventing herself from shouting out in excitement.

She was afraid that if she shouted, Lin Yue would realize she had seen her smile and instinctively return to her usual expressionless state.

However, even though Hermione didn't shout and disturb Lin Yue, that smile on Lin Yue's face was just a fleeting moment in less than five seconds, the corners of Lin Yue's mouth returned to their usual state.

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Hermione felt a bit disappointed, but she could also sense a great excitement. Although Lin Yue's smile just now was very faint, especially fleeting, it was still a smile, wasn't it? That was the biggest progress!

Hermione's mood was even happier than when all her professors had given her excellent grades. However, it was undeniable that there was still a tiny bit, just a little bit, of smugness in her heart. Lin Yue's first smile was something only she had seen!

So, was she different now? Hermione thought aimlessly in her mind. Although she didn't know why, just thinking about how special she felt being around Lin Yue made her incredibly happy, as if she wanted to bubble over.

The speed of owls delivering messages in the wizarding world was very fast, and they possessed high intelligence. Therefore, Hedwig understood her owner's situation of being trapped and unable to go to school, and she flapped her wings even harder than usual. She managed to cut the delivery time in half.

When Professor Dumbledore received the letter, he was slightly surprised. After stroking his white beard, he looked at Professor McGonagall and Professor Flitwick, who were right beside him.

Professor McGonagall recognized Hedwig and looked at Professor Dumbledore with some confusion, asking, "Isn't that Potter's owl, Hedwig? How did it get here?"

Dumbledore handed the letter in his hand to Professor McGonagall, his tone somewhat soothing. "Harry wrote to say they didn't manage to board the train; the platform has been closed, and he asked us to come over to them."

"Didn't board the train?" Professor McGonagall raised her eyebrows in surprise; such a thing had never happened in the history of Hogwarts.

"But this 'they'..." Professor McGonagall paused, "Does that mean Miss Granger and Mr. Weasley also didn't board the train?"

As she spoke, she read Harry's letter, "Well, it seems there are also Miss Lin, Miss Penelope, Miss Chang, and Miss Marietta."

"How did they all end up together?" Professor McGonagall shook her head with a smile, but her actions were somewhat anxious as she pulled out her wand.

If they hadn't boarded the train, it meant they were all outside. This was a group of children, and what’s more, they were her students. Who knew if they would run into trouble? Professor McGonagall almost wished she could Apparated there right now.

"Minerva, calm down," Professor Flitwick chuckled lightly and patted his old friend's arm. "With Miss Penelope and Miss Lin there, I think the children's safety should be fine."

Dumbledore nodded in agreement, "Yes, and the security in the Muggle world is quite good as well."

"Moreover, you can't Apparition inside the castle; we at least have to get outside the castle grounds first."

"Alright, I was too anxious," Professor McGonagall nodded, putting away her wand, her face showing no sign of embarrassment.

What was there to be embarrassed about when worrying for her students? This was perfectly normal for a professor.

"Dumbledore, let's hurry," Professor Flitwick looked at Dumbledore, unable to suppress his urge to hurry them along.

It was clear that he wasn't as calm as he appeared.

Professor McGonagall recognized Hedwig and looked at Professor Dumbledore with some confusion, asking, "Isn't that Potter's owl, Hedwig? How did it get here?"

Dumbledore handed the letter in his hand to Professor McGonagall, his tone somewhat soothing. "Harry wrote to say they didn't manage to board the train; the platform has been closed, and he asked us to come over to them."

"Didn't board the train?" Professor McGonagall raised her eyebrows in surprise; such a thing had never happened in the history of Hogwarts.

"But this 'they'..." Professor McGonagall paused, "Does that mean Miss Granger and Mr. Weasley also didn't board the train?"

As she spoke, she read Harry's letter, "Well, it seems there are also Miss Lin, Senior Penelope, Miss Chang, and Miss Marietta."

"How did they all end up together?" Professor McGonagall shook her head with a smile, but her actions were somewhat anxious as she pulled out her wand.

If they hadn't boarded the train, it meant they were all outside. This was a group of children, and what’s more, they were her students. Who knew if they would run into trouble? Professor McGonagall almost wished she could Apparate there right now.

"Minerva, calm down," Professor Flitwick chuckled lightly and patted his old friend's arm. "With Miss Penelope and Miss Lin there, I think the children's safety should be fine."

Dumbledore nodded in agreement, "Yes, and the security in the Muggle world is quite good as well."

"Moreover, you can't Apparition inside the castle; we at least have to get outside the castle grounds first."

"Alright, I was too anxious," Professor McGonagall nodded, putting away her wand, her face showing no sign of embarrassment.

What was there to be embarrassed about when worrying for her students? This was perfectly normal for a professor.

"Dumbledore, let's hurry," Professor Flitwick looked at Dumbledore, unable to suppress his urge to hurry them along.

It was clear that he wasn't as calm as he appeared.

Lin Yue is undoubtedly the strongest among them, especially if the opponent is not a professor and a fight is necessary. She must ensure that there is enough space for Lin Yue to maneuver and not hold her back. At the same time, Hermione's leg muscles are always tense, even though she currently lacks strong spell combat abilities. However, when the moment is critical, she can still rush in to block a spell for Lin Yue.

The seven young wizards all raised their wands, standing ready, their minds constantly recalling the spells they had learned before. When Professors Dumbledore, McGonagall, and Flitwick walked into the alley, they saw this scene. Their students were pointing their wands directly at them, their faces filled with vigilance and seriousness.

Seeing this, the three professors felt no anger; instead, they were pleased that their students could be so alert. Professor McGonagall wore a hint of admiration on her face, Professor Flitwick nodded with a smile, and Professor Dumbledore blinked his eyes, speaking cheerfully. "Good morning, children."

Upon hearing his words and realizing it was indeed the professors, Hermione and the others all sighed in relief and lowered their wands. Only Lin Yue still held her wand up; after all, there is such a thing as Polyjuice Potion in the magical world. Although it was somewhat unlikely for them to have the hair of Dumbledore, McGonagall, and Flitwick at the same time, the probability was not zero. Therefore, Lin Yue could not simply dismiss this possibility.

Concerned for Hermione and her other friends' safety, the pain from the wound on Lin Yue's thigh reminded her that she must not take things for granted or be careless. "Lin Yue, they are professors," Hermione tugged at Lin Yue's sleeve and whispered.

"It could be Polyjuice Potion," Lin Yue's heart showed no signs of wavering; her eyes were fixed intently on the three professors. If just a moment ago, McGonagall and the others were pleased and comforted by their students' vigilance, now they felt more pity. A moderate level of caution is a sign of the children's alertness. But for Lin Yue, who, as a second-year student, could consider whether they were disguised by someone using Polyjuice Potion, it showed just how insecure she must feel to be this alert.

Professor McGonagall pressed her lips together and spoke gently, "I once suggested to you, Miss Lin Yue, that you visit a certain place, but I believe you haven't gone there yet?"

Memories flashed quickly in her mind, and Lin Yue soon recalled the image of the painting on the eighth floor that Professor McGonagall had suggested she visit during her next night outing. Confirming that the people across from her were indeed the professors themselves, Lin Yue swiftly put away her wand.

She sincerely lowered her head, "I'm sorry, Headmaster Dumbledore, Professor McGonagall, Professor Flitwick, I was rude just now."

"That is not a mistake, Miss Lin Yue," Headmaster Dumbledore stepped forward, smiling and shaking his head, "Being sufficiently vigilant ensures sufficient safety."

"I am glad you have such vigilance, Miss Lin Yue."

Professor McGonagall reached out and ruffled Lin Yue's hair, hoping that Hogwarts would provide her with a sense of security in the future.

Professor Flitwick, standing nearby, smiled proudly, "I think just based on your vigilance, you deserve extra points."

"Filius, we can't give students extra points before the school year even starts."

Professor McGonagall replied with a smile, but judging by her expression, she seemed to want to do so.

"Alright, let's get ready to head back to school," Headmaster Dumbledore addressed the seven children in front of him.

Then, the three professors each took one child and, in three groups, used Apparition to bring them to Hogsmeade.

The sensation of Apparition was truly unpleasant, especially the first time; Hermione and the others in Hogwarts clutched their chests, their faces pale and gagging.

Although Lin Yue didn't gag, her face was slightly pale as well. After taking a couple of deep breaths, Hermione patted her chest.

"This is really on par with riding the Knight Bus."

Once everyone had recovered, the three professors led them towards Hogwarts Castle.

Professor McGonagall slightly tilted her head, looking at Hermione, who was closely beside Lin Yue, and raised an eyebrow. Were these two children so close?

It seemed there was something between them... Professor McGonagall smiled knowingly at the thought.

Thinking back to Lin Yue's expressionless demeanor, which always seemed devoid of happiness, she felt that if her assumptions were correct, then when these two children reached that stage, she might discuss with Filius about letting Miss Granger stay in the Ravenclaw tower for a while.

After all, Hogwarts' dormitories wouldn't be a concern for space.

But there was no need to consider that now; Professor McGonagall shook her head, they were still young.

And even if Miss Granger had already shown some hints in that direction, to warm up Miss Lin Yue and pull her out from that hard, cold shell, it seemed that Miss Granger would still need to put in quite a bit of effort.