Obsession

Tae is a very hard working guy who supports his study by taking lots of part-time jobs. He works in a cafe during night and at the night club during weekend.
Study first and be successful before anything else, that's why he is NRSB No Relationship Since Birth not until one day he meet Kook.
Kook the owner of JK's Company. He is a hot tempered boss , boastful and a playboy. He also thinks that everything will be solve and buy by money.