Here are 2 Bible verses about opposite sex naked, curated from both the Old and New Testaments of the Holy Bible, King James Version, arranged from most to least relevant.
Matthew 5:28 KJV
28 But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.
Full Chapter | Parallel Translations | Explain Verse
Genesis 3:7-10 KJV
7 And the eyes of them both were opened, and they knew that they were naked; and they sewed fig leaves together, and made themselves aprons. 8 And they heard the voice of the Lord God walking in the garden in the cool of the day: and Adam and his wife hid themselves from the presence of the Lord God amongst the trees of the garden. 9 And the Lord God called unto Adam, and said unto him, Where art …