enemies to lovers? villain romances? - any country, any genre

• Cupid of Zhou Dynasty 
• Oh! My Sweet Liar! 
• The Queen of Attack 
• The Romance of Tiger and Rose 
• Time Flies and You Are Here 
• Warm on a Cold Night 
• Wonderful Fate 
• Bulgasal: Immortal Souls 
• Moon in the Day 
• Doom at Your Service 
• Hana Yori Dango/F4 Thailand: Boys Over Flowers/Meteor Garden/Boys Over Flowers  
• Accidentally in Love 
• Arsenal Military Academy 
• I Don't Want to Be the Princess 
• Midsummer Is Full of Love 
• Mr. Queen 
• My Dear Destiny 
• My Sassy Girl 
• Rewriting Destiny 
• Skate Into Love 
• Special Lady 
• Story of Kunning Palace 
• The Eternal Love 
• The Life of the White Fox 
• Night of Love With You (not enemies to lovers but a villain romance)
• Qiu Qiu Ni Bie Xin Dong 

All have happy endings.

Not really an enemies-to-lovers, although there is a lot of quality banter and a bit of rivals-to-lovers vibes, but Who Rules The World has some ?'touch her and you die' scenes. 

(has an iffy 'happy ending', i will say that, but it is technically happy. do with that information what you will XD)