Bitten By My Vampire Lover

What if saving someone comes with a huge price, would you still do it despite knowing the price?
Yes, Riley did it despite knowing the price that comes with saving the woman he loves.
....
Yelena Chu, a 20 years old terminally ill patient diagnosed with the last stage of lungs cancer woke up one day and realised that the man she loves saved her. To save her, he bite and changed her into a vampire. Now her illness is gone but the one she loves was nowhere to be found.
Someone once told her that saving a terminally ill patient was going against the law of nature and it comes with a price.
What is the price Riley, her lover has to pay for saving her? Will Yelena's quest to find and reunite with him come to past or will her first and last love goes just like that.
...
Riley Yuan, a vampire with a fake identity fell deeply in love with a human girl whose days happens to be numbered. She was like a ticking bomb. To save her, he didn't hesitate to go against the ancient law which has been guarding vampires.
He vanished into thin air only to resurface thirty years later. He was no longer the loving guy but a cold man whose mere stares could freeze a person.
Is his return a blessing like Yelena's think or is he a time bomb waiting to explode at her face?
Read the love story of this long-separated couple and see how they will reunite after so long.