Twin Heirs of the Dragon King

Six years ago, after Elena was pushed into the sea, she was saved by the Dragon King, Yale, had a one-night stand with him, and gave birth to a pair of twins. One of the twins, Tina, was raised by Elena, and the other one, Minnie, was taken away by Yale. Six years later, Elena started to look for Tina's father to treat Tina's disease. After all the misunderstandings due to Tina and Minnie's identical looks, Yale and Elena finally uncovered the truth and confessed their love to each other...