Aitsu wa Usotsuki Tenshi.

"If you sign a contract, you'll get all of your seniors." --My favorite angel was a devil!! B! manager. one day. I meet a junior in club activities inside. But you were there, not the usual Sadistic...? On top of that, Kyoko threatens to reveal Kyoko's secret if she talks about her sadistic nature. [Website](https://booklive.jp/product/index/title_id/657957/vol_no/001)