The next morning. Jin visits Bina's workshop alone, this time with a basket of orange groats. Reiko stays behind to give new instructions to the golem maids on Hourai Island.

"Good morning."

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Good morning, Jin.

"I brought you this today."

Bina said when I showed her the basket of oranges,

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"Is that Citran?"

"I don't know, but they are sweet and sour and delicious.

"They don't grow around here, do they?　Gin, where in the world do you come from?"

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It's a natural question.

"Ah, well, let me explain that a little later. I'll tell you eventually, but not now.

When Jin said this, Bina looked a little dissatisfied,

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"Hmm, I can't help it. I'm the one who asked him to help us.

She accepted Citran's basket.

"So, how is the refrigerator?"

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"The refrigerator?"

"Ah, yes. The magic tool I made yesterday.

"Hmmm, a refrigerator. That's a good name.

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Of course it's not named after Jin.

So I found one flaw in the refrigerator.

"What?"

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Bina leads Jin to the kitchen where the refrigerator is located,

"Here."

"Oh, I see."

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There was a waterlogged floor. The cooling ice had melted, and the water dripped onto the floor.

"Hmmm, what should I do?"

"Well, it would be better if the melted water didn't fall down. But then it would be hard to cool down.

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After much thought, they decided to put the ice in a metal container. The melted water would be re-freezed and used.

"I think we should use copper."

"Why not?　Steel is cheaper now, isn't it?

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"Iron rusts and is not durable. Besides, copper transmits cold air more easily.

"Really?　Jin knows a lot of things, doesn't he?

"Well, yes. Well then, let's get to work on improving it.

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Leaving the details for later, the two of us immediately set to work on the improvements.

There was no problem with the internal cooling, so as long as the water leakage was eliminated, the <> would be complete.

"It's done, isn't it?"

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"Yes. Then let's make about three of them.

Since Beena was going to use the prototypes to check for problems and test various other things, they decided to make one for sale.

"Since they are for sale, let's make them look nice on the outside.

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Jin then painted the wooden casing white. This is what is called "white goods.

"Wow, it looks nice.

With the samples, we were able to complete three machines by noon. They are not working yet because I haven't put in the Magi Stone yet.

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"It's done."

"Oh, good job."

"It's already lunchtime. I can't do much, but would you like to eat with me?

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"If you want."

So Bina goes into the kitchen. Something is simmering. After a while, a vegetable soup was ready.

"I'll feed it to Nana and Lardo, you go ahead and eat it.

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But he said, "No, I don't think so,

No, that's not going to happen. I'll peel the citran and take it with me.

Saying this, Jin took two citrons and went with Bina to his younger siblings' room.

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"Oh, Jin!

Lardo shouted when he saw Jin behind Bina.

"Hey. I'm going to peel your citran today.

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With these words, Jin peeled the citran. It is easy to peel by hand like oranges.

"It's so sweet and sour!

Nana was delighted. Bina watched them eat with a smile on her face.

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They came back to the kitchen and prepared their own meal. The soup is made by stewing various vegetables, and the seasoning is not bad. The seasoning is not bad, but..,

"Hmm?"

Hard and crunchy. Bina said to Jin,

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"I'm sorry. The corn is hard, isn't it?　It's the cheapest kind, so no matter how much I cook it, it doesn't get soft.

Jin looked at the corn and chewed it slowly.

"Do you have any more of this corn, ...... beena?

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"Yes, yes. I bought a bag of corn, so I think I still have about 8 kilograms left.

Hearing this, Jin hurriedly ate the soup and showed me the corn. Jin twisted the corn on his hand and looked at it,

"I think I can probably make this," he said.

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He said, and then hurried to the workshop with Bina, who had finished eating.

"What's wrong?"

Bina asked suspiciously,

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"I thought of a quick and easy way to make some money," he said.

He then instructed Beena to start making a magic tool.

"Yes," he said. One medium shallow pot ...... and one large deep pot. The shallow pot will be suspended in the air and a magi stone will be placed underneath.

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With these words, Jin writes down the formula for the magi formula on the plate. Bina saw this and asked

"What?　Unless my eyes have gone crazy, that's a lightning formula, isn't it?　If you use a pot, shouldn't it be a fire system?"

Then Jin chuckled,

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"That's the characteristic of this tool. Look closely, the lightning is very small and is switched at extremely short intervals."

"That's ...... how you do it."

Jin assembled the tools with Bina and then told her,

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"Give me some of that corn and a little oil and salt," he said.

They put the vegetable oil, salt, and corn in a pot suspended in the air,

"If it works, I'll give you a nugget.

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He muttered to himself and activated his tools.

A few moments later, the smell of the corn started, and suddenly the corn popped with a sound. Bina was startled,

"What is it?"

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"Yes!　It worked."

Once the corn popped, it popped one after another. The popped corn accumulates in a large pot placed below. Eventually, when there was no more corn in the top pot, Jin stopped the tool.

"Come on, let's try it.

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The corn popped in the big pot. Jin picked it up and put it in his mouth.

"Yes, it's good!

Bina watches and tries some of the popped corn herself. And then..,

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"Ah. It's delicious."

And she eats it enthusiastically. In no time at all, the popped corn in the pot is gone.

"It was delicious. It lingers."

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"Right?　It's called popcorn. I think you could make a lot of money selling this at the stall."

"Oh, yes!　I'll start tomorrow!

"We need to find a buyer for the refrigerator, too. If the popcorn gets popular, maybe we can find a buyer for that too.

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"Yeah, I guess so. Well, I'm happy to earn my living for now. Jin, thank you!

What's this? ...... Oh, be careful with this one, you need a hard-shelled corn to pop it properly."

"Really?　Really? I thought it would taste better if I used expensive corn.

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So Jin and Beena went to buy corn, cooking oil, and salt.

They managed to buy some of these items for Beena, as they were all inexpensive, and Jin also received a bag of corn to take home.