Pretty explanatory...

You basically go along with the letters of the alphabet and choose a Drama that starts with that letter. Repeat again once its done. 

(Btw I dont think that theres many drama that start with 'X' so you can skip that one)

Ill Start,


A :  Attention, Love!

B : Because This is My First Life 

C - Chicago Typewriter

E - Eulachacha Waikiki

F-Falling In Love With a Rival

G - Gakkou no Kaidan

-Jealousy Incarnate

K - Kill me, Heal me

M - Moon Lovers: Scarlet Heart Ryeo

N - Nine: Nine Time Travels

O - Ouran High School Host Club