WARNING: I'd recommend this book for people over 16+/18+ since it has many suggestive scenes in it! Read at your own risk. :)
This manhwa* is still updating, and I'm so excited for what's to come! For reference, I'm currently on the most recent chapter when writing this review: chapter 47.
A twist on the traditional isekai** genre, this manhwa features water mage "villainess" character Yunifer who (in a twist of fate) attracts the interest of two main characters from a novel she reincarnated into: Ishid, a powerful fire mage, and Rael, a powerful water mage. The once two main characters who fated to be together are now competing for Yunifer's attention! If you're a fan of the traditional isekai genre, give this manhwa a shot and read on to see what romantic misadventures follow.
The story is a mix of romance, comedy, and a bit of fantasy elements. Additionally, the pacing (as with all manhwas) is generally slow, but I actually prefer seeing the slow-burn character development over more traditional western mediums of story telling. Again, this is all up to personal preference.
If you're not familiar with this genre of story telling but you are interested in the story's description/summary/genres, I'd highly recommend reading this series anyways.
(P.S. If you can't read Korean, RIP. Not sure if this was translated into English. Google Translate will be your friend.)
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(Definitions taken from Wikipedia.)
*Manhwa: general Korean term for comics and cartoons.
*Isekai: a genre revolving around a normal person from Earth being displaced, transported to, reborn, or otherwise trapped in a parallel universe, fantasy world, or virtual world, where they must adapt and/or assimilate into this new world, along with its new rules, cultures, and philosophies.