For me. my top 5 recommended kdrama. my life changers. are those below list

1. Itaewon Class 

2. because this is my first life

3. Vagabond

4. memories of alhambra

5.  Kill me heal me

What do you all think? To me this are my life changers

1. The Glory

2. Be Melodramatic

3. Eulachacha Waikiki

4. My Mister

5. Prison Playbook

  1. Healer
  2. Descendants of the Sun
  3. Twenty-Five, Twenty-One
  4. Pinocchio
  5. Goblin

But even with these, I'd have to obviously confirm with a person what sort of things they're into first.

Hmm...

Navillera

Missing: The Other Side or The Guest (not sure between these two)

The Penthouse

Under the Queen's Umbrella

Kingdom

1- My Mister 

2- It’s okay to not be okay

3- The Glory

4- Be melodramatic

5- My Name