Fail.. I still have Seo Hyun Jin and Eric in my heart xD

Park Shin Hye and Kim Young Kwang 
Fail.

Shin Min Ah and Jung Kyung Ho
Fail, I don't think he's the kind of man who can looks good wth her. 

Gong Yoo and Go Ah Ra
Fail, I love them both but I can't picture it. 

Hyun Woo and Lee Se Young 
Fail. 

Nam Joo Hyuk and Lee Sung Kyung
Pass, their chemistry is amazing.

Park Hae Jin and Park Shin Hye
Fail 

Ji Chang Wook and Yoo In Na 
Fail

Lee Dong Wook and Yoo In Na
Pass I like Lee dong wook too!

Choi Si Won and Park Min Young
Fail, I don't like Siwon.

Song Hye Kyo and Won Bin
Pass

Jung Kyung Ho and Moon Chae Won
Pass.   They look ok together.

Park Hae Jin and Yoon Eun Hye 
Pass, they look pretty good together i think.

Thitipoom Techaapaikhun & Neen Suwanamas

(^im lokey Sotus)
Fail, as I can't find any info on said Thitipoom Techaapaikhun, not on MDL nor on Mr. Google. Edit: Ah, found it now via the girl's MDL page! Still a fail, they look too alike.

Takuya Kimura and Han Ye Seul
Fail

Kang Ha Neul and Park Bo Young