首のマイクを「咽喉(いんこう)マイク」とも呼ぶことを知って以来、
使う度につい「なんだかエロい名前だ…」と考えて赤くなってしまう武部殿を描きました。

I drew Takebe-dono, who ever since learning that the neck microphone is also called the "throat* microphone", turns red every time she uses it, thinking "It's an erotic name ...".

[i]inkou[/i] == "throat", but also "obscenity/harlotry".