Contract of sale: the perfect lover of demon boss

She is a student girl just out of college, a new life has just begun, everything, all because of his appearance has changed ...... uncle's bad gambling, he became her biggest debtor, she has since fallen into endless hell, struggling to survive. He is a jianghu Yan Luo, killing and decisive, he took a paper contract, locking her life ...... When danger follows him like a shadow, let go, perhaps the only way to protect her ......