Side Story: Thor, Lukie, and the '10,000-Year Recording Pen: Improved'

After lunch one day.

I had come to a rocky area near the Demon King's castle with Demon King Lukie.

"I'm sorry to have brought you all the way out here, Lukie-sama."

"It is no trouble. We are going to test a new Magic Item, are we not?"

"Yes. This is an improved version of the 'fountain pen' I showed you before."

"...The 'fountain pen'?"

Lukie tilted her head.

She seemed to be remembering what had happened before.

"It was a failure, after all. I can't blame you for being fed up with it, Lukie-sama."

"Well, that is true. However, that 'fountain pen' did save Kelv's life."...