Volume 3 Chapter 63 Grandmother's Request X
While Cain was still connecting the pipes, Zain finished putting the control panel on the side of the boiler. And with that, the boiler was done. The control panel was simple, about the size of A4 paper. It had temperature settings for low (45 degrees) and high (100 degrees). Five magic stones could be lined up inside, placed in a vertical row.
If they boiled a full tank of water at high heat, it took about three minutes and used 300 MP. To fill both the men's and women's baths, they had to boil it about five times. But even then, it saved way more time and mana than what they used before.
The only annoying part was that the fire magic stone inside the boiler had to be changed every six months. When Cain heard that, he thought, "Ah, that's fine then," since it was only twice a year. He didn't worry much about it.
"Thanks, Zain. Now I can finally make Grandmother happy."
Cain smiled and shook Zain's hand up and down. Zain's face looked kinda stiff, but Cain told himself it was just his imagination.
When they finished, it was already past noon, so they had Zain eat lunch at the mansion's dining room. Lunch time was already over, so all they had was a ham and egg sandwich and some soup. But Zain was super happy because the mayonnaise tasted amazing.
After lunch, they came back and saw the maids cleaning the bath area like crazy. If things kept going like this, it looked like they could use the bath starting tonight.
"Hey, Zain, I have one more request. Is that okay?"
"What is it? If it's two or three more, I can still do them."
"Eh? That many!? N-no, just one is fine. I want the butler and maids to learn how to use this magic boiler. They'll be the ones using it from now on."
"Oh, that's no problem. Our magic tool shop always includes explanations and after-care when you buy something."
Zain gave a business-like smile.
"Ah, I see. Thanks. But you also do repairs, huh? I thought I'd have to just buy a new one if it broke."
"I only fix the magic tools I made myself. I want people to use good stuff for a long time. Also, since the magic stones get used up, if you come to my shop for refills during repairs or inspections, it helps my sales too."
Cain thought, 'Wow, this guy's shop feels like it has Martha inside or something.'
"Oh, and if you want to fill mana into the magic stones, you'll need a separate tool for that."
"That's a good business move."
Cain gave a simple, honest compliment.
* * *
After that, Zain showed the maids how to use the boiler. The butlers stood behind them and wrote everything down. They said they'd make a proper manual later.
They did three test runs, and by the time Zain was ready to go home, it was already evening. Bath stuff had been brought in during the tests, and before anyone noticed, everything was set up. They could probably use the bath as soon as they filled it with water.
"Cain!? The bath's ready!?"
While Cain and the others were checking the final steps, Aisha showed up in the boiler room with a big smile. She must've heard the news from somewhere.
"Oh, Grandmother! Uh, it's not totally done yet, but we're ready to start filling the water."
Cain looked at the maids, and they gave small nods back.
"Ah, I see... So we can't use it tonight yet... Since you're making it for me, I'll wait a bit longer. Cain, thank you so much."
Aisha gave a little smile that looked a bit sad.
"No, Grandmother. I'm doing this because I want to. So don't worry about it. More importantly..."
Cain looked at her sad face, then at the maids. The maids had their hands clasped like they were praying, eyes begging him silently.
"Um, Grandmother. It's almost done, so I think it's okay to use the women's bath starting tonight. Is that okay?"
"Eh? Really, Cain!? Just for the women tonight is fine—ah, I'm so happy!"
Aisha hugged Cain happily. The maids and butlers nodded while watching the two of them. Grandpa was just smiling, thinking everyone loved him.
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