Hong Kong, May 1 -- The best enemies-to-lovers books are loved by fans of romance fiction due to the perfect pace at which tension and animosity turn into affection. Characters engaged in verbal sparring ending up becoming soulmates? That's something to root for.

The enemies-to-lovers trope has been explored countless times in literature, and, by extension, cinema. In fact, several romantic books present an initial clash of egos between their protagonists. It could be over anything: professional competition, personal dislike, differences in opinions, food or clothing preferences. Writers explore this animosity to build a story full of barbs and banter.

The initial pages see the protagonists almost always trying to prove themselves super...