"Guten Abend[1], Mr. Skeleton."

The red haired beauty sat behind the silver counter while eating an orange. She gave Lee Shin-Woo a wave when she saw him. 

Lee Shin-Woo opened his eyes—he didn't have any, but that's how he felt—and asked, "In what time zone is that the standard way of greeting someone?"

"That obviously depends on how I feel. You're underground, dear customer, so you probably can’t tell night from day. But the passage of time differs in different regions; you should know that at least, right?"

"..."

Lee Shin-Woo was suddenly curious. He wondered where this merchant usually stayed. She said time’s different for me since I’m underground. Does that mean she’s above ground? She must have misunderstood the meaning behind his gaze, though, as the merchant hid the orange in her hand and spoke defensively.

"I'm not giving this to you. It's hard to obtain one in the Empire."

"I'm not interested. Plus, I can't eat it even if you give it to me!"

"Ah, right."

The merchant laughed while peeling the rest of the orange and throwing the slices into her mouth. Lee Shin-Woo promised that she'd get her just deserts someday, and asked, “I got a book for a skill I’ve already learned. Can I sell it here?” 

He wanted to figure out what he should do with the 'Beginner Stealth' skill book he had been keeping in his inventory.

"I'd recommend that you read it."

"Even though I've already learned it?"

"While you've...