Dumbledore sat on a chair with frown.

His two slender fingertips habitually touched each other, and his chin was placed on his fingertips.

The blue eyes looked at the ceiling of the room through the half-moon lenses, as if they were in deep thought.

In front of him, there was a mirror, and the picture was shady... William, Hermione and Anne were trying to steal the mirror.

This is a pair of double-sided mirrors. Dumbledore gave Anne the Christmas gift when William was in his first grade.

William cheated many times but failed. On one side, Anne gave it to Dumbledore again.

William is so sour.

"A very interesting inference, Hermione." Dumbledore finally came to his senses and looked at the double-sided mirror.

"So, do you think Black is an illegal Animagus who always appears like a black dog?"

"Professor, that's not an inference, but a fact." Hermione said firmly and was confident in his judgment.

"Yes, I believe your judgment." Dumbledore applauded.

“Those details that are not noticed are not just obstacles, but rather clues.

Hermione, you have always performed well in this regard.

But some more direct evidence is needed, and these details alone are not enough to convince our Minister Fudge to believe your words.

He is not as capable of reasoning as you, and can see the truth hidden under the details."

"What should I do?" Hermione said anxiously: "Unless we can catch Black..."

"Hermione, you ignored someone." William on the side reminded: "In the past, Professor Lupin was Black's best friend, so he must have known something."

"Yes." Dumbledore sighed, grabbed a handful of Flood powder and threw it into the fireplace in the distance.

The emerald green flame lit up, and soon a head appeared in the flame.

"Remus, I'm sorry for delaying your recovery. But I have some things that I need to ask you urgently."

"If it's convenient, please come here. If it's inconvenient... please come here too!"

"Uh..." Lupin hesitated for a few seconds before answering: "Oh, OK."

After a moment, the fire in the fireplace surged and a crisp sound made. Professor Lupin walked in wrapped in a small torn robe.

"What's wrong, principal?" Lupin said in confusion. "What's wrong?"

"Are you in good health?" Dumbledore signaled Lupin to sit down.

"It's just a little weak. The potion that Professor Snape gave me kept diarrhea." Professor Lupin sat down in the chair. "Apart from that, everything is fine."

"I will remind Severus."

Lupin smiled gratefully, glanced at the desktop, saw the double-sided mirror and William in the mirror.

"Professor, is there anything urgent?" he asked again.

"There happened to be some. Just now, Miss Granger told me something interesting.

She said...Blake is an illegal Animagus.

I want to ask, Remus, this... do you know?"

Dumbledore's sharp eyes stared at Lupin like an eagle.

Professor Lupin's face immediately turned bloodless, as if a layer of cream was applied.

Needless to say, you will know the answer by looking at the professor's expression.

Lupin lowered his head, as if he had made a mistake, and tried hard to cover it up, but was still the child who was discovered.

He clenched the handle of the chair, his fingers pale, and said tremblingly: "Professor Dumbledore, I'm very...sorry.

I know this, but I just kept hiding it and didn't say it..."

"Remus, you shouldn't apologize to me!" Dumbledore's tone was a slight disappointment.

"You should apologize to Anne, William and Hermione, the three of them, and a black dog for a summer vacation.

Except for William, I don't think Hermione and Anne can deal with a Death Eater."

"Sorry, I really don't know that this will happen." Lupin blamed himself.

"Why don't you say it?" Dumbledore asked calmly.

Lupin's face was pale, and his voice was filled with self-disgust.

"For the past six months, I have been fighting myself and can't make up my mind whether to say it. But I still haven't said it.

Why?

Because I'm too timid.

Telling you means that I once failed your trust in my student days; it means admitting that I have also led people to travel to nights with people like me.

For me, your trust is extremely important.

When I was a child, you accepted me to go to school. When I became an adult, I couldn’t find jobs everywhere, just because I was…”

Lupin stopped and glanced at the glasses.

"William and Hermione have known you are a werewolf, and they have been keeping secrets for you," Dumbledore said.

Luping looked at the double-sided mirror in shock, and he felt ashamed.

"Later, I convinced myself that Sirius successfully entered the school by using the magic he learned from Voldemort.

It has nothing to do with him being an illegal Animagus…”

Dumbledore squinted his eyes and tapped his fingers on the table, giving off a strange rhythm.

"Have you four, besides Black, anyone else learned Animagus?"

"The three of them have learned it!" Lupin said in pain, covering his head.

"After they discovered that I was a werewolf, they did not alienate me. Instead, they spent nearly three years secretly learning Animagus in the fifth grade.

The first thing I learned was James, who has always been very talented in transfiguration, and even Professor McGonagall was amazed.

Next comes Black.

Peter needed the strong assistance of Black and James, and later he became more skilled."

"What can they all become?" Anne asked curiously.

"James is a stag, so he is called a sharp fork; Black is a... a big black dog, we call him a bigfoot.

And Peter is a mouse nicknamed the worm tail.

On the full moon night, James and Black were all controlling me.

Peter was small enough to easily press the scar of the willow, so that we could enter the screaming shed from the passage…”

Wait... Petdwarf Peter's Animagus is a mouse?

William's heartbeat suddenly accelerated, as if a beat was missing.

He thought of Tom's little ghost like lightning.

After two incidents of diary and selling Snape's women's clothing photos, William basically concluded that the insider was next to Ron.

He is very familiar with him, even to the point where he understands Ron's inner thoughts.

There are very few such people. William once believed that only Harry was the only one who met the criteria.

Now I suddenly have a new idea.

Because the spots are strange.

Mount Crucker never attacks other animals, but only stares at the spots.

When William entered the school, Banban was Percy's pet. Now, four years later, he is still alive, and after Black escaped from prison, he began to lose energy.

Ordinary mice can only live for two or three years at most.

Even Black can become Anne's pet Da Hei, why can't the insider be Peter?

A real mouse cannot be an insider, but an illegal Animagus can be!

In terms of understanding Ron, who can control him without realizing it? Apart from Banban, who can easily do it?

William was also shocked by his own thought.

Peter died thirteen years ago. If it were him, what would it mean?

It will be impossible to exclude, so the rest, no matter how small the possibility is, must be a fact.

William pushed his face, black-framed glasses that did not exist.

I’m digging up new words and saying this is the same as Mo He!

William thought for a long time, finally raised his head and interrupted Professor Lupin's words.

Three minutes later,

Dumbledore caught another handful of Floor fans.

"Minerva, please bring Mr. Ron Weasley immediately! And his mouse-stained!"

Dumbledore's voice became particularly serious.

He repeatedly explained: "Remember, be careful! Spots may be dead...Peppa Peter!"

...

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Chapter completed!