Romantic chemistry that leaps off the screen

This is going to be a vague request. But tell me your fave modern dramas with the best chemistry. 

I don't necessarily mean physical intimacy but two characters that just click when on screen. I want them to do nothing but stand next to each other and still feel butterflies. 

Things I would like to avoid (but I know I probably can't):

• meddlesome exes or family members
• love triangles
• cold male leads
• enemies to lovers

@emeraldarrows is right, this is super subjective, but here are some of my favorites in terms of romantic chemistry:

• The Smile Has Left Your Eyes
• Mr Queen
• Crazy Love (but it does have enemies to lovers)
• Wonderland of Love
• Story of Kunning Palace
• Scent of Time (but romance is not really the focus)
• Fangs of Fortune (not really a romance but everyone on screen has so much sexual tension)
• Clean With Passion For Now

Strong physical chemistry:

• Forever Love (2023)
• Something About 1%
• Miss Mystery
• Sparkle Love

Tough question for me because I tend to think that enemies/rivals to lovers have the strongest chemistry, specifically when they're fighting haha

*edit just saw that you wanted modern only - oops, only some of the above apply

 Dejes:

Only Modern Dramas is killing mee since I do think most of the best chemistries are found in Historicals haha 

Though, here is what I personally recommend + mentioning if what you want to avoid is included or not

 Lighter & Princess : Cold ML but more like he just doesn't give a * about anything not Cold just for the sake of it. No Family drama even though we have 1 or 2 episodes with her mother whining yet she has some reasons and it's rather short, no love triangles, more like rivals to lovers though

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Hidden Love : No Cold ML, no love triangles, a bit of family drama since he's her brother's bestfriend but quickly resolved, friends to lovers

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Haven't seen it but heard a lot of good about it and seems to be exactly what you're looking for The Best Thing

The wigs take me out every time with historicals, lol.

Gaus Electronics!

 Weight Lifting Fairy Kim Bok Joo it ticks off all your boxes!!

I highly recommend it!

1. Tian & Phupha - A Tale of Thousand Stars 🔥 ❤️ 👀(Masterpiece- 1000 ⭐ !! My all-time favorite couple – they truly embody the saying, "the eyes are the window to the soul."
2. Du Zi Feng and Pi Ya Nuo - Bromance 🔥  🌶️ (The chemistry is off the charts)
3. Cha Soo Hyun & Kim Jin Hyuk- Encounter (Masterpiece)
4. Angel Dan L & Yeon Seo - Angel's Last Mission: Love (10  ⭐   A profound tale filled with beautiful romance; it genuinely moved me and brought me to tears)
5. Yoon Se-ri & Ri Jeong-hyeok - Crash Landing on You  ( What can I say, opposites do attract.)
6. Kyung Seok & Mi Rae - My ID Is Gangnam Beauty (These two are incredibly cute, but I'm unsure how you view eating disorders and body image issues, so just a heads up in case it triggers anything. I still believe that the drama conveys a very meaningful message.)