虚ろな穴 (ハヤカワ文庫NV)

The mix of cosmic dread and intense personal emotion creates a unique atmosphere. I'm curious whether this combination was planned from the start or evolved during writing.

The way characters dive into the mysterious cipher felt both fascinating and disturbing. What was it about obsession in this story that resonated or made others uneasy?

The cipher feels almost like a character itself, with its mysterious power. I wonder what inspired this central element and how it was conceived during the writing process.