In which yuri and yena's marriage life. Do they live a happily ever after? or not.

In which Yena's girlfriend, Yuri, has a heart problem and needs a heart transplant.

Jo Yuri is just your average college student living independently in neighbor town. Everything in her life was normal until she has to go home for her grandma's funeral. There fate led her to encounter Choi Yena, a living lycanthrope in hiding, whose making her feeling mystified things she never experience before. Since that day, her life has changed to be more colorful. But color doesn't only have bright ones, does it?