Lead Couple with Comfortable + Affectionate Moments?

 AH:

(edit: I added a few more examples of my favourite moments)

I see your edits and wanted to add some similar gifs to my recommendations since I don't have much to do right now xD

Last Cinderella: this moment, this one, this one, hehehhehe, more

King2Hearts: this video is basically a compilation of their cute moments since its hard to find gifs for this one https://www.youtube.com/watch?v=C0qRDcm2oEE

Lucky Romance: lol this one ,   this one  lol proud cause he's her bf, cute, being sneaky

Marriage, Not Dating: hehe , cute , here , here they cuddle a lot but it was hard to find gifs

MARS: almost impossible to find but 'cause it's an old drama but here here  here

Shopping King Louie: they are just too precious for this world here , here 

 The Girl Who See Scents: here ,  here this is  a very comfortable realistic relationship drama, subtly asking for a kiss 

 AH:

I'm watching this now :)!

How do you like it? I personally loved their chemistry but I'm a sucker for Yoochum so I'm kinda biased. 

 Nymphadora:

How do you like it? I personally loved their chemistry but I'm a sucker for Yoochum so I'm kinda biased. 

I'm only six episodes in, but so far so good :)

 tita_cba:

+1 Me too fower!!!

The Lover has a lot of skinship ... although it's quite quirky

Eternal Love

The  Reply  series

Thank you for the recommendations!