Artist comment:

紳士にお願いしたら断れない妖夢かわいい

妖夢「あの･･･もう３０分になりますけど･･･」

Translated:

A Youmu, who cannot refuse, when a gentleman asks a favour, is cute.

Youmu: "Um... It's been 30 minutes already..."

Where's the center seam on your pantyhose, Youmu?