This is called "Becoming a Billionaire" on Viki TV Service. Enjoyed this older drama: the main male lead was adorable and played the role perfectly of a take charge young man born out of wedlock who is in search of his father that he believes is a rich head of a company since he was given a family crest type of necklace from his mother. There is always a villain rival in these types of romance dramas and I usually end up hating them, but for some reason I actually ended up liking the villain who was played by Namgoong Min - you just had to have a little empathy for him who was trying so hard to save his father's company because they were bullied all their lives by higher up companies. All in all a good drama and 20 episodes is about the right length. If I have one criticism it would be that they kept introducing new older male characters that could be the father after making you suspect the main 3 best friends. It just seems that some of the new characters introduced came a little late.
Review of The Birth of the Rich
