100 years future the Global Warming, but further 100 years future the Next Ice Age. The global warming could be just a trigger to enter into the Next Ice Age. When such study report was announced, world big countries had an evil ambition to manipulate the global climate. Youich and Akane were co-working to seek for the archaea (ancient bacteria) which had synthesized the methane directly from CO2 to stop the global warming. But… ※本作品は拙著「深層海流」の英訳版です。ただし内容は一部アップデートにより変更しています。

カフェというのは、何もすべての店が落ち着いた雰囲気であるわけではない。これはそんな、あるカフェの日常の一コマ。