The Kama Sutra is not a Buddhist text and not (just) about sex. It is an ancient Indian Hindu[1][2] text written by Vātsyāyana.
The video below explains that the Hindu scripture is a little bit more than a source of inspiration for acrobacies. 
Snp4.1 is a Pali EBT with a same title but it has nothing to do with sexual behavior:
Although this is a Watercooler post, I would suggest we discuss the topic of how the meaning of the term kāma is or not equivalent between EBTs and later indian literary sources?
