Ishiyu Kon!: Tengu no Kari Some Hanayome

The high school girl Sena met a young man with a mysterious charm on a school trip. As she stared at him, he suddenly kissed her! He's Yugetsu, a cursed raven tengu! He told Sena that he had to marry a human in order to lift the curse, and declared, "You're my wife from now, Sena!" (Source: Pixiv Comic, translated)