“Ssh!” I gently put my chopsticks down and [tooltip title="listened closely" content="耳を澄ませた"]listened closely[/tooltip]. There it was again: the unmistakable sound of small feet running. It was coming from above us. It was coming from “the Portal.”

The Portal is what we call the very large, [tooltip title="uninsulated" content="断熱材の入っていない"]uninsulated[/tooltip] empty space between the