After sending Arthur away with a bowl of chicken soup and urging him to study hard, Kayson returned to his two-point-one-line life: class time and research time.
He naturally compressed his meal times into his class time.
Hmm... the Little Wizards had no objections.
He had also roughly figured out the technique of Grindelwald's soul branch; as a former civil engineering student who had audited medical courses, he could still somewhat explain its principles.
Before that, we need to give it a name. Let's give a codename to the result of this great plan to make Hogwarts stand up. Let's call it hogwarts titan.
The hogwarts titan can be seen as a human body without a brain. Originally, in Kayson's design, many Wizards would be needed to individually control a certain joint or even a specific piston. These Wizards could be seen as the brain of the hogwarts titan.
But with this soul branch, it's different. The soul branch acts as the human body's nerves, allowing just one Wizard to control the entire hogwarts titan, which counts as a kind of efficiency.
Just like at this very moment...
"So, Professor, what's the use of this thing?" The fifth-year Little Wizards, led by Kayson, were laying various Alchemy guide rails all over Hogwarts, practically going from street to street.
"You can understand it as necessary reinforcement for Hogwarts and specific energy transmission. When my awesome work is completed, you can even write what you did today on your resume," Kayson said while directing the placement of the various Alchemy guide rails.
"Speaking of which, Professor, shouldn't we be a bit more discreet? We're almost at Professor McGonagall's office..." another Little Wizards said.
"No need. This project has been endorsed by Professor McGonagall. Work with confidence. When the time comes, I'll add some awesome stuff to your Alchemy Professor's office," Kayson said with a chuckle.
"But Professor, aren't you the Alchemy Professor?"
...
After class, Kayson waved his hand to dismiss the Little Wizards, and he didn't continue carrying a large pile of Alchemy guide rails to install in the Hogwarts corridors. After all, with the free labor of the Little Wizards, it would be too wasteful to do it all himself.
When he returned to his office, before he could even take a sip of wheat juice, he saw three people standing furtively by his desk.
"....What's wrong with you?" Kayson asked.
Harry slyly pulled out a telescope and looked towards the office door, only relaxing when he confirmed no one was coming in from there: "It's like this, Professor, Hermione has been a bit... obsessed lately."
"??? How so?" Kayson asked.
"This whole thing probably started when we went to Sirius's Black Old House to play... There's a House-elf there named Kreacher," Ron began.
"Uh-huh."
"At that time, Hermione didn't have such strange ideas, but on the day we went to the Quidditch World Cup, Barty Crouch had his House-elf help him reserve seats. That time, Hermione saw it again."
".....So?"
"Let's get straight to the point. Hermione thinks House-elves are enslaved by Wizards, and she wants to advocate for Wizards to free House-elves," Neville said bluntly.
"Oh... How does she plan to advocate?" Kayson asked, puzzled.
"To give House-elves respect, wages, the right to refuse, and a whole bunch of other things," Ron said with a bitter face.
"...In fact, that's not a good idea. After all, House-elves basically handle the food, clothing, housing, and transportation for every Wizard at Hogwarts. If Hermione enjoys the services of House-elves like everyone else, and then goes around advocating for Wizards to free House-elves, it's a bit... abnormal," Kayson said.
"In fact, she's not eating the food from the Great Hall anymore... She ordered a bunch of food from Diagon Alley and is just surviving on that stuff every day. Just now, we even saw her carrying a large basin of clothes back from the washroom, though we don't know why she doesn't just use 'Scourgify,'" Ron said.
"Hermione is quite a character... How's her health now?"
"She should be fine. After all, the compressed biscuits bought from Diagon Alley are also known as human feed," Neville replied.
"Oh, in that case... we should show respect. Hermione has the right to speak up for House-elves, and she has indeed refused the services of House-elves. There's nothing to say about that," Kayson shrugged.
"But Professor, she's seriously affecting our daily lives now. Ever since she discovered that girls can enter boys' dormitories without being magically expelled, she's started breaking into our dormitories to tell us to clean up."
"She also wants us to eat human feed with her..."
"And originally, with House-elves, they could help with all of this." The three of them tearfully accused Hermione of her "atrocities."
"Uh... How am I supposed to help you with this?" Kayson asked.
"Professor, can you bring Hermione back to normal? She's too scary now. If she only did that herself, it would be fine, but she's dragging us into it too," Harry said, looking like he wanted to die.
"How can I help with this? After all, what Hermione is doing isn't wrong; at most, she just hasn't thought things through enough."
"Professor, I'm sure you have a way," Ron said firmly, swallowing.
"Hmm... Do you want to hear the truth or a lie?"
"The truth."
"I really want to help you, but I find it troublesome. After all, this isn't a big deal and it has nothing to do with me. But if Hermione finds out that I know about this troublesome matter, she will definitely come and make me research with her on how to free the House-elves."
"So, Professor, you're not willing?" A faint voice suddenly came from behind the three of them. Harry instantly jolted and looked back in confusion.
He saw Hermione standing there, smiling at Kayson.
"Hmm, Professor?" Hermione said with a smile.
Kayson subconsciously looked up at the Heavenly Dragon Slaying Cannon on the ceiling. He was wondering whether it would be better to find an excuse to run away now, or to display his linguistic charm and have an exciting debate with Hermione.
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