Sweet Wife of The left child of Devil

Every one remembers stories in which there is a contract of giving hair then 5 years later they meet again fall in love . Then some ex comes in story tries to destroy them the FL tries to fight her then they live happy ever after. It is the story of arrange marriage of devil for the sake of family business mother of our ML marries the devil. The devil falls in love with the girl but after giving birth to triplet she left and went abroad 25 years later (not 5) the oldest son has taken over her father title as devil .Became Asia's richest tycoon and president of Han Internationals and owner of many multinational companies the more successful he becomes the ruthless he becomes . the devil that can go to any level for happiness of his siblings. this is the love story of him his siblings and reunion of triplets with their mother