Demon, Satan
Noun
あくま
今夜は悪魔と出かける気分じゃないの。
I’m not in the mood to going out with the devil tonight.
A bad devil is a devil (because they're all bad), or a demon or satan.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.