Night.

Su Yu and Yubihama Asuna returned to the castle one after the other and did not attract attention.

Yui Yui Yuhihama and the others were so attracted by the books in the library that only Suha and Asuna Yubihama were available for dinner.

After dinner.

Su Yu came to the library.

At this time, only Yukino and Nishinomiya Glass are left here, and the Tsurumi Rumi in the corner.

Yui Hihama, Ebina Himena, Miura Yuiko, and the three girls went back first.

The other girls too, and there are very few people who are really interested in books.

Su Yu looked at the books on the shelves, the books were very old, but there was no trace of dust, proving that there were often people cleaning here.

He walked around the library and noticed that all the books were in the wrong order, and he was slightly puzzled.

"You're coming to read too?" A cold voice sounded from beside him.

"I'm coming to see you." Su Yu glanced at Xue Nai under the snow.

Under the snow, Xue Nai glanced at him.

"It is said that these books are left by the old family, and maybe some treasure map can be found here."

"Treasure map?" Su Yu looked at the bookshelves around him and found that those bookshelves were marked with numbers.

"It's just an urban legend, do you still believe in such a thing?" After Xue Nai finished speaking, he prepared to leave.

"Xiao Yukino, go and help me find the sky, and the maid who is in charge of cleaning this place, if the others are willing to listen to my decryption, let them come here too, I seem to have found a treasure map." Su Yu smiled.

"Did you really find a treasure map?" Xue Nai was surprised under the snow.

"That's right, and, right in front of our eyes." Su Yu pointed to the bookshelf in front of him.

"I'm going to ask Miss Shichijo to come over." Under the snow, Xue Nai no longer hesitated and walked towards the door.

Su Yu looked at the back of her leaving, and then glanced at Nishinomiya Glass and Tsurumi Rumi, who were reading carefully, and the reading power was activated.

All the books floated up and began to be arranged, and when all the books were in order, Yukino came with Shichijo Sky and Sayaka Dejima, as well as two maids.

"Su Yujun, did you find the treasure map?" Seven Skies said curiously.

"Almost, I'd like to know what's going on in the library." Su Yu looked at the two maids.

The two maids felt a tight heart, they didn't know anything.

"The books here should have been placed in the original order, right?" Su Yu asked.

"Yes, we clean book by book, for fear of misplace." The maid replied.

"Alright, go turn off the lights." Su Yu smiled.

The two maids glanced at the seven skies.

Seven Skies nodded.

As soon as the lights were turned off in the library, Nishinomiya Glass and Rumi Tsurumi reacted.

Seven Skies was still a little confused, looking at the light emitted by the books on the shelves, and couldn't believe it.

"This is..."

"It's a road map, and the books are painted with something like fluorescent paint on the part inside. You just need to arrange them in order and lay out the parts that are coated with fluorescent paint to get this roadmap. ”

Everyone looked at the connected road map, turned around, and finally stopped in front of a book.

Su Yu picked up the book, it was a heavy book.

His hand rested on the mezzanine of the book, and he gently tore it open, pulling out a map.

"Turn on the lights." Su Yu said to the maid.

The maid hurriedly turned on the light.

Su Yu spread the map on the table, and on it was a map drawing the sea area around here.

He recalled the route map just now, began to sketch the route, and finally, landed on a point.

"Su Yujun, there is a lighthouse in this place you marked." Seven Skies looked at Dao.

"Lighthouse?" Su Yu's eyes lit up.

A lighthouse can point the ship in the right direction, so could it be a metaphor?

"I'll send someone to this lighthouse at once." Seeing Su Yu's expression, Seven Skies no longer hesitated.

"Don't be in such a hurry, it's already dark outside now, and the lighthouse won't run away, let's talk about it early tomorrow morning." Su Yu chuckled.

"That's right, wait until you find out." Seven Skies smiled sweetly, the treasure was nothing to her, the important thing was to reveal the secret.

Under the snow, Yukino watched from the sidelines, and did not pass, even if there was a treasure, it was a treasure belonging to the Shichijo family.

"When the treasure is taken out, half of it will be Su Yujun's things." The seven skies put together the treasure map and handed it to Su Yu.

"Then you're welcome." Su Yu took the treasure map and put it away.

……

The next day, early in the morning.

The big ship carried everyone to the island with a lighthouse.

Professionals from the Shichijo family had arrived, standing outside the lighthouse and studying.

Su Yu stepped off the boat and looked at the somewhat dilapidated lighthouse, this treasure was a little beyond imagination.

"Miss, can you show us the treasure map?" An old man greeted him.

"The treasure map was discovered by Su Yujun, and everything is decided by Su Yujun." Seven Skies smiled slightly.

A group of professionals looked at Su Yu and didn't know him, but they knew that he was an important guest of the Shichijo family.

"The treasure has been found, and you don't need to spend time researching it." Su Yu smiled and walked towards the lighthouse.

A group of professionals look at each other, and this is what they find? In what place?

Su Yu stood under the lighthouse and smashed his fist on the wall of the lighthouse, and in an instant, the skin of the wall faded, and the things in the wall appeared in front of everyone.

"That's a lot of nuggets!"

"This lighthouse, could it be..."

"A lighthouse made of gold?"

Seven skies came to Su Yu's side step by step.

"Su Yujun, you are really amazing."

"The treasure here is beyond my imagination, let Miss Miyu come and carry out the demolition work directly." Su Yu looked up at this lighthouse, even if it was half, it was at least tens of billions of yen.

"Hmm." Seven Skies turned around and called Nanchijo Miha.

A group of professionals looked at the lighthouse and sighed a little, who would have thought that the gold nuggets were hidden inside the walls?

A group of girls felt very magical, and actually hid gold nuggets in the walls of the lighthouse, this kind of thing, it was just like the story.

Shichijo Miwa received the call, did not delay, and arrived at the scene in just two hours.

The professionals began to work, little by little, to dismantle the lighthouse.

Most of the maids in the castle have been transferred, and they are both maids and the hidden power of the Shichijo family.

Shichijou Miyu watched as the gold nuggets were carried to the transport plane and came to Su Yu.

"Su Yujun, if it weren't for you, I wouldn't have been able to find these treasures, according to what the eldest lady said, I will give you half of the treasures, I don't know when you will send someone to get them?"

"They're already here." Su Yu pointed to the seaside.

Shichijo Miwa looked at the calm sea and was slightly stunned, and then, she saw a submarine float up.

The submarine opened, and a group of men in black walked down, each of which made Shichijo Miwa feel instinctively in danger.

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