What is the best K drama that you have watched so far?

Hii guys~ I just want to ask your favorite and best K-drama that you have watched. I want some of your opinions because I already have a lot of my waiting list and still confused about what will I watch first. So I hope you can tell me yours :). Kamsa~~ ^^

Ohh my goshh~ Healer and Another Miss Oh is one of the best that I have watched so far HAHAHAHA. Thank you Mad-Clown_Rohit for your suggestions I'm gonna watch them all SOON. hehehehe

Moon Lovers: Scarlet Hear Goryeo
Arang and the Magistrate
You're Beautiful
Hit the Top

My favorites,shows I would definitely recommend to everyone
1.Goblin
2.Healer
3.Sassy Go Go
4.Fight for my way
5.School 2017(on the verge of completion)
6.I hear your Voice
7.Something about 1%
8.The Master's Sun
9.Coffee Prince

Its kinda hard to tell what you like since you gave every drama in your completed list a 10...(!)

But....heres' my suggestion

secret
kill me heal me
its ok thats love
jealousy incarnate
oh my venus
fated to love you
healer
queen for seven days 
chuno
the princess' man

Secret Forest/Stranger

Goblin

Tunnel

WFKBJ

W Two Worlds

Oh my Venus

1. Signal 
2. Stranger 
3. Six Flying Dragons 
4. Dear My Friends 
5. Healer
6. Weightlifting Fairy Kim Bok Joo
7. Empress Ki 
8. Chicago Typewriter 
9. Circle 

My top 10:
1. Liar Game
2. Goblin
3. Weightlifting Fairy Kim Bok Joo
4. The Lover
5. Playful Kiss (I lot of people didn't like this, but this drama is my first one, so that's probably why I like it so much)
6. Doctor Stranger
7. Boys Over Flowers (Has all the kdrama tropes tbh)
8. Twenty Again
9. Secret Garden
10. Bad Guys

Extra: 
(A few Jdramas that I really enjoyed!)
1. Kazoku Game
2. Bitter Blood
3. Gakkou No Kaidan