Unusually, it was raining in the Kingdom of Klein.

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In the eastern part of the Laurentian Continent, where the Kingdom of Klein is located, there is little precipitation on the plains. Instead, the mountainous areas receive heavy rain and snowfall.

This rain and melting snow, in the form of rivers and subsoil water, moistens the plains.

Each city secures water by digging wells.

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This is the reason why the pump that Jin made last year and Raglan Trading Company started to sell quickly became popular.

"Autumn rain..."

Gloria Allstadt, the vice captain of the Kingsguard Ladies Knight Corps of the Kingdom of Klein, who was looking out of the window, was off duty that day.

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"It's nice and dusty, but I don't feel like running in this ......."

She had been running 10 kilometers as part of her daily training routine, but she didn't feel like running in the cold rain.

"......I should take care of my sword on a day like this."

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Steel swords are sensitive to moisture and rust quickly. To prevent this, they coat them with oil extracted from the fruit of the camellia (a plant similar to camellia) to prevent rust. This oil is non-drying (does not harden) and is also used for hair oil.

The oiled swords do not rust, but they absorb dust and gradually darken, so it is necessary to periodically wipe them off, clean them, and apply new oil.

In a sense, this is a tedious and troublesome task, but Gloria, being a sword enthusiast, went about it with gusto.

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Gloria has light brown hair that is cut very short, and steeple eyes, B83, W57, H82, her toned figure can be described as ideal.

However, perhaps because of her personality, even now at the age of 23, she has not had a single flirtatious conversation with anyone.

"This sword that Jin-dono made for me is still of a different class. ......

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The sword that once held its own against the giant scissors beetle, <>. The sword is made of a thin plate of adamantite sandwiched between sheets of steel.

The steel part is also made of nickel steel, which makes it rust-resistant. It is almost maintenance free.

Gloria, feeling relaxed for the first time in a long time, continues to work on the sword with all her heart.

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"...... It's raining, isn't it?"

Licia Faarheit, the lord of Toka Village, looked up at the leaden sky gloomily and muttered.

"We can't harvest the wheat.

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Rain during the harvest of spring wheat sown in the spring is rare.

It has been raining for the past five days, even though it is preferable to have sunny days for harvesting because the wheat needs to dry out after harvest.

"......Yield is expected to be fair. I think it's a good first year. ......

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Licia looks at the ledger and frowns, her brow well-shaped. She sips from the teacup beside her, but it is already cold.

"I wonder if ...... this <> could also be made into a product."

The tea in Toka village is made from , just like in Kaina village.

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Licia was experimenting with adding herbs to the tea to see if she could increase its commercial value. It was almost ready to be sold.

"Licia, the mayor is here to see you."

"Yes, let me pass."

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Fred, the secretary's apprentice, announced the chief's visit.

Fred had been an apprentice knight, but Licia had brought him in because she saw that he had more administrative skills than military skills, and she had been training him to be a secretary. However, since Licia herself was inexperienced, they often made mistakes together.

"Excuse me, my lord."

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Braak, the chief of Toka Village, entered the room. He bowed to Licia and immediately began his business.

It is about this year's spring wheat.

Licia was just thinking about it, so she urged him to go on.

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"The crop is good, but the long rains have prevented us from harvesting. The crop is good, but we can't reap it because of the long rains.

"What do you mean?"

Licia is a complete amateur when it comes to agriculture. She had no idea what the mayor was trying to say.

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"If the rains continue, there is a possibility that the wheat will get mold and spoil.

"Mildew? ......"

Licia has one more problem to worry about.

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"In the past, I have harvested while the sun was shining, even if the harvest was a little less. ......"

This year, however, the rains came suddenly and the timing was not right.

"I'll leave it up to the village headman, he probably knows more about it than I do."

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Licia had no choice but to say so.

The village head knew the details and left. Outside the window, it was still raining.

It was also raining on Horai Island.

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Mount Horai, smoky in the rain, and Jin's mansion at the foot of Mount Horai.

"<>"

"......"

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Jin, are you okay?

Father, are you okay?

We've been casting healing spells for 18 days.

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Perhaps because most of the cells made up of magic atoms (Magiatom) had been activated, the pain caused by the healing magic had lessened considerably.

Now it is only a slight pain.

"Oh, I'm fine. It still hurts a lot less."

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"...... will be completely healed in two more sessions."

"Oh, thank you, Elsa."

"Yeah."

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As for Jin, he felt that his body had become much lighter.

The previous analogy, <>, has been eliminated.

A prosthetic hand is still a prosthetic hand no matter how high performance it is. It is no match for the body.

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And as his cells were activated and his body became accustomed to them, Jin's bodily functions also improved.

To begin with, the in Jin's body cells are super efficient. Perhaps it was also taken in at the time of the summoning, but what is important in this case is the result.

In the past, when the Guild of Magi Craftsmen of the Kingdom of Egelea measured the patterns of magical power, the circuits of Dona, an automata that also served as a measuring instrument, overflowed due to the amount of magical power it possessed.

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The activation of cells composed of magic atoms (magiatoms) has further improved their functions, but so far no one has noticed this.

Since there are only advantages and no disadvantages, it will be a little while before Jin realizes this, partly because no one has tried to investigate it.

"...... is it raining again today?"

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Jin muttered as he looked out the window after finishing his treatment that day.

"This temperature and this humidity. It looks like it's going to get moldy......."

Jin was concerned about the unusual weather conditions.

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"Yeah, it's a bit damp."

Elsa doesn't like humidity either.

"Let's see, that would be ......."

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The warehouses on Horai Island are constant temperature and humidity, and both temperature and humidity are kept constant.

But this is not the case in Kaina Village.

"Air conditioning...... and desiccants would be nice."

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"Desiccant?"

Erza knew what it was, but she did not know how to make it.

"I'll ask Saki and Toa to help us with that."

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"...... yeah."

Jin, Erza, and Reiko are moving to the institute using a small transfer gate (warp gate) since they don't want to walk in the rain from the museum to the institute.

"Oh, Jin-kun, what's the matter with you today?

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"I didn't know Erza and Reiko were with you. Is something wrong?

Saki and Toa seemed to be having some kind of meeting or discussion. There were thin sheets of paper scattered on the workbench.

"Well, it's been raining a lot and it's been humid, so I thought I'd make a desiccant.

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"Desiccant?

"Desiccant?" "What's that?　......Yeah, I can tell a lot from the words. I just want to know what it's used for. Is it to dry out the room or ......"

"It's used to store food."

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Jin explained, not letting Toa speak for everyone.

"I see, during the rainy season, food preservation can be quite a problem, is this what you use for that?"

Jin, can we help you with something?

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"Of course. It would be easier if we used engineering magic, but that's not very common.

Jin explained, and Toa nodded in agreement.

"I see, so you want to make it widely available to the general public. I would be happy to cooperate with you.

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And so, in the pouring rain, the making of desiccants began on Horai Island.