I Fell in Love at First Sight, Sir Hidden Villain!

Duke Adler, who is called the best man in the Asgard Empire, is as handsome as a statue… no– is a serial killer and hidden villain in this novel. And Princess Charlotte, whom he married out of convenience, is mu*dered on the first night of the wedding. …the thing is, I am the princess who was fated to be killed by the hidden villain on the first night. “It’s an arranged marriage anyway, and we don’t even want to see each other’s faces, so we’ll only meet on the day of the wedding.” It is clear that the hidden villain is reluctant to marry me. So my choice is… “I fell in love at first sight. So go out with me!” Only six months left until the wedding. I decided to do an undercover investi...