The news of the Gryffindor potato revolution had not yet reached Dumbledore's ears.

As expected, before Gryffindor and Slytherin academies distinguished themselves, the headmaster, who was busy with everything, should not be bothered by these trivial matters. After all, compared with the past, there is still Professor Apocalyps, who is enthusiastic and amiable, responsible for coordinating student conflicts.

Meanwhile, at the end of the day's classes, Aileen walked along the spiral staircase on the west side of the castle to the entrance of the Ravenclaw common room.

Due to her "Four Academy Walking" status, for seven days a week, in addition to the two days of weekends to choose freely, she must stay in each academy for at least one night, and the schedule is arranged in advance to prevent Aileen from staying out all night using this loophole.

According to this week's schedule, she should be resting in the Ravenclaw girls' dormitory with Luna tonight.

"That witch is coming..."

"Shhh, be careful."

"Finally, I can go back to the dormitory, waaaah..."

When they arrived, there were sporadic whispers from the velvet sleeping bags in the surrounding corridors.

Most of the Ravenclaw girls were still reading in the library, and a few sleepy children returned to their respective sleeping bags, dozing off while waiting for the witch who polluted the bronze eagle ring to arrive. The bronze eagle ring question on Wednesday was the most difficult, and almost only Aileen could answer it.

Ignoring the strange whispers reciting her name around her, Aileen raised her hand and knocked on the door.

The Bronze Eagle Ring awoke, but instead of a bird call, it said in a gentle, musical voice:

"Twenty-one boys and twenty-one girls took a test, and each student answered up to six questions, and for each girl and boy, at least one question was solved. So there must be a question that at least how many girls and how many boys answered?"

"Um... Aileen, this is your question, isn't it?"

Luna thought for half a second and then decisively chose to give up.

"Of course, such a beautiful logical question..."

Aileen boasted rather smugly, cleared her throat, and said seriously, "Well, this is actually an advanced application of the pigeonhole principle - for example, putting ten pigeons in nine cages, there must be at least two pigeons in one cage. It's simple, isn't it? Do you want to try it?"

"Uh-"

Luna nodded first, recalling the question from the Eagle Ring just now, and then shook her head seriously.

"I want to go back to bed tonight, and since this door hasn't opened yet, it means that Danilova has also answered incorrectly-"

Unlike the extremely miserable sleeping on the floor last year, due to the environment Danilova has lived in since she was a child, her appearance has at least reduced the time Ravenclaw Academy slept on the floor from the original four days a week to two days a week - after all, she is also the daughter of a former Soviet nuclear physicist.

"Oh, okay, I see," Aileen shrugged.

"The answer is, there must be a question that at least three girls and three boys answered."

"Correct answer-"

The Eagle Ring replied gently and opened backward silently.

The empty Ravenclaw common room is a very large circular room, even more ethereal than any of the common rooms Aileen has been to in Hogwarts. The walls have elegant arched windows, hung with blue and bronze silk.

If they have the opportunity to enter here during the day, they will have the opportunity to admire the beautiful distant mountains.

The ceiling is a semi-arched dome with stars painted on it, and the deep blue carpet below is also covered with stars.

The tables, chairs and bookshelves in the room are clean and tidy, and it seems that few people use them.

In the niche opposite the door stands a tall white marble statue - Rowena Ravenclaw's 1:1 life-size sculpture.

"Now, there's one last thing left..."

Aileen turned around, her eyes swept over the faces of the girls who were standing still outside the door, and the corners of her mouth raised.

"The solution and method of this question are all hidden in the pigeonhole principle - you should remember what I said, the questions solved by me every Wednesday will enter the daily question bank, if you want to lie on a soft, comfortable dormitory bed, then you may have to continue to work hard."

"Of course, you still have that option-"

Aileen said softly with a smile, and she raised her finger to point to the statue not far away.

"Under the witness of Ms. Ravenclaw, crown me with that diadem with more than 50% approval... Just a formality."

Most people find it difficult to know clearly and definitively what they want, but they are often very sure what they don't want.

In Ravenclaw Academy, which advocates freedom, knowledge, and unrestrainedness, Aileen is like a sudden arrival of a great witch. While she completely disrupts the original lazy, literary atmosphere, she also gives most Ravenclaw wizards new pursuits and temporarily reaches an alliance.

Few girls will submit to another girl, especially when the other party is still a poor-chested and short witch.

Harvesting today's share of dissatisfaction from those Ravenclaw "children", Aileen turned around quite contentedly and walked towards the girls' dormitory above. Pranks, cold violence... and even spell attacks, these have no effect in front of real "bad people".

Since Aileen broke into Ravenclaw Academy, those childish bullying and internal conflicts instantly disappeared.

"What a hassle-"

Aileen sighed and drew out her wand to set up a barrier by the bed.

If it weren't for the requests of Dumbledore and Professor Flitwick, she wouldn't bother to pretend to be a bad person in front of these girls every day.

Unlike the other three academies, perhaps because there are too many smart people, Ravenclaw's academy cohesion and centripetal force can almost be said to be so loose that it is almost invisible. When everyone values and clarifies their own likes and dislikes too much, they find it difficult to truly tolerate those differences, let alone choose some foolishness and compromise in exchange for the so-called collective and greater group interests... unless the Demon King descends.

"You know, if you are too close to me, you won't have friends in the academy for a long time."

In the dark, Aileen gently stroked Luna's hair with her fingers, "If their resentment increases, at some point... it may even turn the spearhead to you... We can pretend to break up... This can deceive many people, what do you think?"

"It doesn't make sense-"

Luna rolled over in bed, avoiding Aileen's hand, and replied vaguely.

"Even without you, I wouldn't make too many friends in the academy... I promised Hermione and Hannah that I would never let you be alone in Ravenclaw Academy - just like they promised - even if it's just acting..."

"Eh?" Aileen was stunned, then shook her head with a smile.

These eleven or twelve-year-old girls actually reached some kind of "Guardian Dango" agreement in secret?

She is especially glad that she arrived at this year's Hogwarts, not earlier or later, otherwise she might really become a solitary Demon King, the loneliness of only one person left on the chessboard, it is too easy for her to confuse the difference between reality and the game.

Especially when... the future is completely in chaos...

Starting tomorrow, Hogwarts will completely enter a new era, completely unfamiliar - Aileen's magical world.

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Yay!