Al-Israa 17:32

وَلَا تَقْرَبُوا۟ ٱلزِّنَىٰٓ ۖ إِنَّهُۥ كَانَ فَٰحِشَةًۭ وَسَآءَ سَبِيلًۭا ٣٢

And do not approach unlawful sexual intercourse. Indeed, it is ever an immorality and is evil as a way.