Ouji no Honmei wa Akuyaku Reijou

"You're my fiancé, so it's only natural that we do this tonight." He kisses me deeply and devours my whole body... My first sweet kiss on my first night of reincarnation. Office worker dies from overworking and gets reincarnated as the villain in her favorite otome game. Will she be able to keep her fiancé or will she lose him to the protagonist?