Al-Isra - 17:32

وَلَا تَقْرَبُوا۟ ٱلزِّنَىٰٓ ۖ إِنَّهُۥ كَانَ فَـٰحِشَةً وَسَآءَ سَبِيلًا

And do not approach unlawful sexual intercourse.1 Indeed, it is ever an immorality and is evil as a way.