Hydra's Ice

From Author Wars - https://authorwars.com/books/hydras-ice-2322779.html

Overview:

Title: Hydra's Ice
Author: 林譲治
Year: 2010
Type: Short Fiction
Series: AADDシリーズ (Black Hole Sun)
Number in Series: 3

Variant Titles:

2010. Hydra's Ice