1. Kim soo Hyun with Kim jiwon
Loved their chemistry in Queen of tears. People are shipping them ever since (including me) hope they are dating and marry soon lol
2. Park Seo-joon and Park Min-young
They starred together in the drama "What's Wrong with Secretary Kim" and had great on-screen chemistry.
3. Hyun Bin and Son Ye-jin
This pair gained a lot of popularity for their roles in the drama "Crash Landing on You" and later announced their real-life relationship.
4. Lee Jong-suk and Han Hyo-joo
They worked together in the drama "W: Two Worlds" and were praised for their chemistry and visual appeal together.