After the simulation, the female characters in Detective Conan break down.

Ai Haibara explained the facts to the two of them from the side.

Professor Agasa also looked surprised.

He turned to look at the beret-wearing butler beside him:

Who did all this work?

“I did everything according to the master’s instructions.”

"Oh?"

......

Inside the castle.

The beret-wearing butler recounted the events that had occurred in the castle.

In the ancient tower next to the castle.

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Chapter Sixty-One: Swift, Accurate, and Ruthless! He pinpointed the killer's location precisely!

A very cruel fire once occurred there.

The daughter of the master and mistress of this ancient castle was burned to death.

The fire came suddenly and fiercely.

Her steward and attendants were also burned to death.

No one was able to escape.

Today, only the first wife, her daughter's husband, and her grandson remain of the original owners of this castle.

"The master once left behind a will."

"Whoever can solve the riddles in the castle will receive the most precious treasure."

"A riddle?"

Conan stroked his chin thoughtfully.

...

Hoshinoki stood by the window of a room.

Looking down at the chessboard.

At this time.

The beret-wearing butler walked in with a group of children.

"This is it. From this room, you can clearly see the chess pieces below!"

Wow! It's so spacious!

"Yes! This really is a castle!"

The noisy chatter of the Junior Detective League suddenly filled the entire room.

"Have you solved the mystery yet, brother?"

Ai Haibara walked up to Hoshino Ki.

Then she leaned against his leg, feeling completely relaxed.

The arms are crossed and held together.

Like a lazy and noble cat.

"elder brother?"

Hoshino looked down slightly at Ai Haibara.

"Yeah, brother...you need to speed things up!"

"Conan over there is almost done solving the puzzle..."

"The treasures of this ancient castle..."

Ai Haibara looked at Conan with great interest.

"Are you curious?"

Hoshino asked Ai Haibara a question.

My gaze followed hers.

"Well! Who knows?"

......

Not far from the two of them.

Conan was staring intently at the chessboard outside the window.

While reading, I doodled in the notebook.

He seemed completely detached from worldly concerns.

He was clearly solving the puzzle of this chess game.

"Ah! What are you doing? How can you be so close?"

Suddenly! Ayumi's voice came from the side.

Ai Haibara was so startled that she stood up straight.

"Idiots, what are you doing?"

Conan's voice came from the side.

Conan immediately ran out of the room.

Ayumi followed.

Hoshino leaned out the window and turned to look at the room next door.

Genta and Mitsuhiko were hanging from the window.

Ai Haibara has regained her composure.

They followed them into the next room.

"..."

Hoshino looked intently at Ai Haibara's retreating figure.

He followed.

He went to the next room.

They didn't pay attention to those children first.

Instead, he walked straight to the wall.

There must be a secret hidden in this wall.

Because the windows of the two rooms are too close together.

Constructed according to the standards of a typical room.

The window should be in the exact center of each room.

Looking from above the two rooms.

The distance between the window and the wall is significantly closer on the other side than on the other side.

From this we can infer.

There is a secret passage between the two rooms.

"Hoshino-nii... what are you looking at?"

Conan suddenly appears.

He looked at Hoshinoki with a questioning expression.

"nothing."

Hoshino only glanced at Conan.

Then he turned and left the room.

Conan placed his arm on the wall.

He gazed intently at Hoshinogi's retreating figure.

Who exactly is Hoshinoki?

He always manages to find the key to solving the case before he does.

Just like today.

He actually arrived at the room before them.

Look at how he was looking at the wall just now.