Agree

Moon Chae Won and Song Joong Ki in Innocent Man
Disagree - I really shipped them together

Kim So Hyun & Nam Joo Hyuk in School 2015
Agree - I shipped Kim So Hyun & Sung Jae together, they were more cuter ! 

Han Ga In & Kim Soo Hyun in The Moon That Embraces The Sun 
Agree - If I remember right, they hardly ever met in the drama.

Gu Hye Sun and Lee Minho in Boys Over Flowers.
at first yeah I didnt like them together but then thy got better
I remember you 
I agree, although I am both a fan of Seo In Guk and Jang Na Ra individually I just didn't liked them as a couple

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Kim Woo Bin and Bae Suzy in Uncontrollably Fond
Agree!! Suzy did not do a good job, and the drama did not either. They remained separated almost all the drama.

Park Hae Jin and Kim Min Jung in Man to man
Agree!

Eun Tak and Kim Shin in Goblin, they are the worst couple in all of drama world....
Agree. I didn't see any chemistry between them.

Park Shin Hye and Lee Min Ho in The Heirs
Disagree. I shipped them so much.

Park Shin Hye and Jung Yong Hwa in Heartstrings
n/a Didn't see it

i am going to double underline  Park Hae Jin and Kim Min Jung in Man to Man
Haven't watched Man to Man yet, but everyone seems to agree with you. 

Lee Min Ho and Jun Ji Hyun in LOBTS
Agree - I can't seem to find any chemistry between them. Kim Soo Hyun and Jun Ji Hyun is a better tandem.

Lee Jong Suk and Lee Bo Young in I Hear Your Voice
agree ..even I adore lee jong suk but I didn't like that couple ,he is domed with his all couples T_T


lee jong suk and park shin hae [Pinocchio] .....I really can't love her at all
Disagree - I thought they were really cute

Park Seo Joon and Go Ah Ra in Hwarang