"It isn't limited to this Stone Tower."
"Whenever something new appears, I try to explore it. Take the material this Stone Tower is made of-it's so hard. That makes me want to know why it's hard, what makes it that way."
Yui slowly explained her innermost thoughts. Walking ahead of her, Nai Hyuga nodded thoughtfully. "So that's how it is... I understand."
She discreetly took out a Sealing Scroll, pulled it open in midair with one hand, then pressed two fingers together and released the Seal.
With a sharp pop, a square White Jade Box appeared in her hand.
"Yui, here!" She stopped, turned around, and held the square White Jade Box out in front of Yui.
Yui was climbing the stairs with her head lowered and failed to notice Nai Hyuga turn around. She kept walking until she felt something press against her chest, and only then did she stop.
"Huh!" Yui stared blankly for a moment at the White Jade Box pressed against her chest. Then she came to her senses and looked up at Nai Hyuga. "Nai... this is..."
Nai Hyuga shook her head, then curved her lips into a smile. "Do you like it? Yui, didn't you want something made from this Stone Tower's material to study? I happened to have some, so it's yours."
"Besides, this is a gift from me. You don't need to give me anything in return... uh! If you really want to repay me, then give me a few more kisses in the future!"
"Ah! This is actually the first time I've given you anything!" With that, Nai Hyuga turned and continued upstairs, paying no further attention to the reaction of the person behind her.
Feeling the White Jade Box against her chest about to fall, Yui instinctively caught it. Dazed,