불러오는 중…

Trapped in the crushing darkness of the deep earth, Axel hears a faint, miraculous sound echoing through the granite walls. It is a voice from the abyss—a lifeline in the silence. Can this fragile connection lead him back to the light? (Courage·Composure·Trust)
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원본 책: 지구 속 여행 2부: 지하 세계의 기적