怖いですね、硫化水素。
「苦しむ間もなく」と描きましたが、実際はすごく苦しいんじゃないかという話もあります。

ミクリガ池はものすごく深い青で綺麗でした！

Hydrogen sulfide is scary stuff, isn't it. I wrote, "In no time to suffer," but in fact, there is also talk about it being horrendously painful.

Mikuriga-ike Pond was a stunningly deep blue and just gorgeous.