Jung Jaehyun or usually called Jaehyun is a 28 year old man who is the CEO of the largest industrial company called NEO CORP. Jaehyun is a widower who has been alone since separating from his ex-wife. His appearance is handsome, tall, six pack, firm, strong, dignified. Jaehyun has a very wise nature, very firm and fair, intelligent, a bit cold but caring, and he is good at managing company business, difficult to oppose, and hardworking. His company has many enemies.