The strong boss who tosses around with his charismatic words and actions is a romantic vampire! Haruka has changed jobs to a design office where her longed-for charismatic designer, Reo Kirisaki, is located. I was happy to be his assistant, but Kirisaki's recklessness made me work overtime from day one. - "You're surprisingly aggressive, you can't invite a man in the company ..." Kirisaki suddenly changes when he sees the blood of the injured Haruka while staying alone! I was pushed down on the desk and bitten by the nape of my neck?!? Secret love of a genius designer × assistant girl! [Soirée in love] チャラい言動で翻弄してくるクセ強上司は、ロマンチストな吸血鬼!? 憧れのカリスマデザイナー・霧崎玲央（きりさき れお）がいるデザイン事務所に転職した春香（はるか）。彼のアシスタントになれてうれしかったけど――性格に難アリな霧崎の無茶ぶりで、初日から残業するはめに。 「意外と積極的なんだね。社内で男誘うなんて…」二人きりで居残り中、ケガをした春香の血を目にした霧崎が豹変!? デスクに押し倒され、首筋に噛みつかれてしまって…!?!?