Part 14
—[Underwood] Underground workshop.
“……Although we did talk about it the other time, it seems like we are still the ones to do the work, huh?”
Let’s rewind the time a little, the location is at the Underground workshop.
The one spoke was the strategist[53] under the Flag of the Azure Flames, Jack o’ Lantern of [Will O’ Wisp], as they were below ground of the Great Tree.
Hearing the story from Izayoi, he bobbled his pumpkin head while turning his head left and right to look at Coppelia and the other doll— the Red Iron Doll crafted from Rare Sacred Iron, Deen.
Placing part of Deen’s fragments into the furnace, Jack gave a laugh in surprise.
“But to actually think of creating a perpetual motion machine mechanism? That’s a really unexpended request. I will state it now that I’m just a metal smith, you know?”
“I know that. But there isn’t any other Community for us to entrust this task to. Moreover, that also applies to the unavailability of Communities who can succeed in the project. …… You do know of the theories behind the perpetual motion machine mechanism right?”
In contrast to Izayoi’s challenging speech, Jack replied in a calm manner.
“About that. Hm, I do remember that it is a ‘mechanism that will continue to function without an input of energy from the outside’, am I right? But that is due to the laws of thermodynamics……After the law of entropy was established, wasn’t it concluded as an impossible task?”
“Regarding that point, as long as we utilise the rare metals of Little Garden, the problem would be solved. This is because Deen is the real life example of that.”
Yahoho? Jack tilted his pumpkin head as he pondered over it.
Asuka, who was awaiting orders, had also tilted her head as she asked Izayoi.
“Well, that…Izayoi-san, what do you mean?”
“It is just a simple theory. Ojou-sama, do you know of the principles behind the operation of a steam powered vehicle?”
“Don’t underestimate me that much. I still know of that sort of trivial stuff. ……Well about that, it uses the heat and pressure to move the wheels right?”
“That’s right. The steam powered vehicle’s engine is powered by the difference in temperature created from the burning of coal and it causes the piston to move. However, if there isn’t a difference in temperature, the piston will be unable to move and it results in a cut off of energy. This is the famous second law of thermodynamics. Also known as the principle of entropy.”
“…… Ye, Yeah I guess.”
Using an obscure response to pull herself through. This must have been slightly too much for a fifteen year old girl representing the Showa era to understand.
Izayoi bit back his bitter smile to turn his focus back to Jack to continue the topic.
“But if we were to use the Rare Sacred Iron, the problem would be solved. If I were to say why, it would be the attributes of that metal that allows it to extend and contract at will. If the most important component, the piston, were to be replaced by a material that had the characteristic of extending and contracting at will, it would be possible to create a simple design for the perpetual motion mechanism.”
*Don!* Jack hammered his fist on his palm as he nodded in understanding.
“Yahohoho! I get it now! If the structure were to be simplified to that extent, it would be no problem at all to leave the task of refining the metals to me!”
“Mhm. I will also provide some suggestions by the side for the structure and component crafting. The only problem left is…… whether Ojou-sama is willing to agree or not.”
Flashing a sidelong glance at Asuka. In Izayoi’s hands were the shards of rare sacred metal chipped off from Deen’s battle with the Huge Dragon. It would seem that it was a request for the permission to use a part of those shards.
The spiritual power level of the Rare Sacred Metal items were determined by the volume of its biggest expansion. Even if it were to be a few shards taken from it, the spiritual power of Deen would be reduced in the same small proportion.
“Hu……Is that the reason why you needed Deen?”
“Yes. Because if we do not have Ojou-sama’s permission, we will not be able to get to work. …… So, what do you say?”
Slightly unwilling, Asuka gave a sigh.
Seeing that, Jack gave a thumbs up as he thought of a good idea.
“Then let’s do it this way. In return for the permission to use the Sacred Rare Iron from Asuka-san, Izayoi-san will have to take on the whole cost of repairing Deen. What do you think about that?”
“Wha?”
In the face of such a sudden suggestion, the involved parties gave a cry in surprise.
The reaction of Asuka was especially larger. Her unsatisfied expression from before was changed as she gripped Jack’s hand to exclaim excitedly.
“Could it be that Deen can be repaired?!”
“Yahohoho! That’s a simple task! Although the additional refinery of the Rare Sacred Iron is a little troublesome, it should be alright to get it done within a month!…… Mah, but it will just have a considerable amount charged for it.”
— Flashing a sidelong glance at Izayoi.
At this end, albeit having a disgruntled expression and scratching his head, but since the person who had requested was none other than Izayoi himself, he raised his hands in defeat as he gave a bitter smile.
“OK, got it. If you do not mind the payment to be made later, I will take on the whole cost.”
“Yahohoho! Of course, it is of no problem! We accept the method of payment in a one off full payment or even a thirty six installment system.”
Jack bobbled his pumpkin head as he laughed heartily. It might even be possible that the one who got the most out of it is this pumpkin head monster.
On the other hand, Coppelia was lying on a chair in the workshop, waiting quietly for the operation to begin.
(Rare Sacred Iron….. The iron that retracts as willed. If it were to be utilized, it would no doubt complete the perpetual motion machine mechanism. Even though that would not be counted as a lone accomplishment by Mankind.)
Shaking her head, seemingly in an attempt to rid herself of all the unhappy feelings in her heart.
It wasn’t the time to be concerned about those stuff. The current priority is to chase away the ‘Winds of Decadence’. As long as that is not accomplished, she did not have the qualification to ponder about the future.
(Young fox. It’s just as you said. I’ve always prayed for the fated person to find ‘me’. But if I really wanted to realize my dream…… it should be ‘me’ looking for my fated person.)
For that, she would abandon her own reserved attitude.
She needed to escape the shackles of the glory in the distant past.
Now was the time for her to leave the prison of memories to move onwards on her own.
“Then, it is time for the modifications, have you prepared yourself, Coppelia-san?”
“—yes. I will be in your care, Pumpkin smith.”
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