"B-But you said your brother was -- You said he can --"

"I lied about the part that he's in charge of returning the lost things," she mumbled, looking down at her feet like a child feeling guilty about breaking a vase. "But when I said that my brother can go to your world and this one back and forth, I was telling the truth," she clarified.

"What do you mean --'

"You're here now, and later you're not. After a while, you'd be back here again, usually with no memory of this place nor about who I am. And then you're gone once again. The cycle repeats," she told me.

"H-How is this even possible?"

"You didn't keep your promise."